#### Study sets matching "direct variation"

#### Study sets matching "direct variation"

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

direct variation

constant of variation

parallel lines

perpendicular lines

A linear function defined by an equation of the form y = kx,…

The constant k used with direct or inverse variation.

lines in the same plane that never intersect

lines that intersect to form right angles.

direct variation

A linear function defined by an equation of the form y = kx,…

constant of variation

The constant k used with direct or inverse variation.

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

coordinate plane

direct variation

ordered pair

origin

A coordinate system formed by the intersection of a horizonta…

a relationship between two variables in which the data increa…

a pair of numbers used to locate a point on a coordinate grid…

The point (0,0) where the x-axis and the y-axis intersect in…

coordinate plane

A coordinate system formed by the intersection of a horizonta…

direct variation

a relationship between two variables in which the data increa…

y = 120

y = -0.8

y = 37.125

y = 4.8

If y = 8 when x = 3, find y when x = 45.

If y = -4 when x = 10, find y when x = 2.

If y = 27 when x = 8, find y when x = 11.

Find y when x = 12, if y = 2 when x = 5.

y = 120

If y = 8 when x = 3, find y when x = 45.

y = -0.8

If y = -4 when x = 10, find y when x = 2.

Yes - it passes through the origin

No - it does not pass through the origin

No - there is no constant. (y/x - 4/1,…

yes - there is a constant - 1.5. (y/x…

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Yes - it passes through the origin

Is this a direct variation?

No - it does not pass through the origin

Is this a direct variation?

Yes - it passes through the origin

No - it does not pass through the origin

No - there is no constant. (y/x - 4/1,…

yes - there is a constant - 1.5. (y/x…

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Yes - it passes through the origin

Is this a direct variation?

No - it does not pass through the origin

Is this a direct variation?

direct variation

direct variation example

direct variation example

direct variation example

means you have an equation that looks like this ... y=kx which s…

y varies directly as x means ... y=kx

y doubles directly as x means ... y = 2x which says y = 2 times x

if Cathy's walking distance varies directly with the number o…

direct variation

means you have an equation that looks like this ... y=kx which s…

direct variation example

y varies directly as x means ... y=kx

If y = 27 when x = 6, write the direct…

If x = 10 when y = 9, write the direct…

If y = -7 when x = -14, write the dire…

If x = -7 when y = -14, write the dire…

y = 4.5x; x = 10

y = 9/10x; x = 10

y = 0.5x; y = 10

y = 2x; y = 40

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 10 when y = 9, write the direct…

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

If x = 10 when y = 9, write the direct…

If y = -7 when x = -14, write the dire…

If x = -7 when y = -14, write the dire…

y = 4.5x; x = 10

y = 9/10x; x = 10

y = 0.5x; y = 10

y = 2x; y = 40

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 10 when y = 9, write the direct…

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

direct variation graph

origin

direct variation table

direct variation equation

a straight line that goes through the origin

the point (0,0)

the ratio y/x is the same for every pair of points

y=mx or y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

Yes - it passes through the origin

No - it does not pass through the origin

No - there is no constant. (y/x - 4/1,…

yes - there is a constant - 1.5. (y/x…

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Is this a direct variation?

Yes - it passes through the origin

Is this a direct variation?

No - it does not pass through the origin

Is this a direct variation?

y=8x

y=-5x

y=1/5*x

k=1/8

Find the direct variation equation if y=24 when x=3

Find the direct variation equation if y=-15 when x=3

Find the direct variation equation if y=6 when x=30

Find the constant of variation if x=32 when y=4

y=8x

Find the direct variation equation if y=24 when x=3

y=-5x

Find the direct variation equation if y=-15 when x=3

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

If y = 27 when x = 6, write the direct…

If x = 27 when y = 6, write the direct…

If y = 10 when x = 9, write the direct…

If x = 10 when y = 9, write the direct…

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If x = 27 when y = 6, write the direct…

y = 2/9x; x = 202.5

If y = 27 when x = 6, write the direct…

If y = 10 when x = 9, write the direct…

If y = -7 when x = -14, write the dire…

If x = -7 when y = -14, write the dire…

y = 4.5x; x = 10

y = 10/9x; x = 8.1

y = 0.5x; y = 10

y = 2x; y = 40

If y = 27 when x = 6, write the direct…

y = 4.5x; x = 10

If y = 10 when x = 9, write the direct…

y = 10/9x; x = 8.1

Variation

Proportion

constant of variation "k"

direct variation

relationship between 2 or more variables

An equation that shows 2 equal ratios (fractions)... ex: 3/2=6/4

a nonzero constant like SLOPE

one variable INCREASES as another variable also INCREASES. DE…

Variation

relationship between 2 or more variables

Proportion

An equation that shows 2 equal ratios (fractions)... ex: 3/2=6/4

Direct variation

Constant of variation

Commission

Commission rate

A linear relationship between two variables, x and y, that ca…

The constant k in direct and indirect variation equations

A fee paid to a person for making a sale

The few paid to a person for making a sale expressed as a % o…

Direct variation

A linear relationship between two variables, x and y, that ca…

Constant of variation

The constant k in direct and indirect variation equations

AS this INCREASES/DECREASES this also…

Titles x3, x and y axes, appropriate g…

What it goes up by

Describe Relationship (Using Keywords)

Create a Graph

Constant of Variation (Something per 1 Something)

AS this INCREASES/DECREASES this also…

Describe Relationship (Using Keywords)

Titles x3, x and y axes, appropriate g…

Create a Graph

y = 4.5x; x = 10

y = 2/9x; x = 202.5

y = 10/9x; x = 8.1

y = 9/10x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

If x = 27 when y = 6, write the direct variation equation and…

If y = 10 when x = 9, write the direct variation equation and…

If x = 10 when y = 9, write the direct variation equation and…

y = 4.5x; x = 10

If y = 27 when x = 6, write the direct variation equation and…

y = 2/9x; x = 202.5

If x = 27 when y = 6, write the direct variation equation and…

slope

direct variation

the constant of variation for a direct…

parent function

vertical change and horizontal change

mathematical relationship between two variables that can be e…

k is the coefficient of x by dividing each side of y

is the simplest function with these charecteristics

slope

vertical change and horizontal change

direct variation

mathematical relationship between two variables that can be e…

constant of variation

direct variation

rate of change

Which of the following functions is a…

the value of k in a direct variation, y = kx

a function of the form y = kx where k is not zero

how the dependent variable changes with respect to the indepe…

f(x) = 2x

constant of variation

the value of k in a direct variation, y = kx

direct variation

a function of the form y = kx where k is not zero