# Study sets matching "direct variation"

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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)

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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

Constant (k)

Direct Variation Function

Inverse Variation Function

Rules of direct variation (1)

Is the number that realtes two variables that are directly pro…

y=k·x

y=k/x

Straight line. Has to go through (0, 0).

Constant (k)

Is the number that realtes two variables that are directly pro…

Direct Variation Function

y=k·x

direct variation

inverse variation

direct variation table

inverse variation table

Linear function that uses the equation, y=kx, and always passe…

Non-linear function that uses the equation, y=k/x, and never p…

direct variation

Linear function that uses the equation, y=kx, and always passe…

inverse variation

Non-linear function that uses the equation, y=k/x, and never p…

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)

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 y = 10 when x = 9, write the direct…

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

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

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

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)

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)

Direct Variation

Constant of Variation

Solving a Direct Variation Using an Equ…

Identifying Direct Variation

When two variable quantities have a constant ratio, then their…

The constant ratio between two variables quantities is called…

Two methods can be used to solve a direct variation: [1] use a…

If a linear function is a direct variation, then it MUST have…

Direct Variation

When two variable quantities have a constant ratio, then their…

Constant of Variation

The constant ratio between two variables quantities is called…

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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

use the formula: y = kx

direct variation graph

a straight line that goes through the origin

origin

the point (0,0)