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Algebra: vocab
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Gravity
Terms in this set (17)
Set of all the x values of the relation. Use D.
Domain
Are special relations such that each element of the domain (x) is paired with exactly one element of the range (y). X's don't cheat on their Y's.
Function
Same slope, different B.
Parallel lines
Opposite reciprocal for slope and B is same or different.
Perpendicular Lines
Functions where different equations are used for different intervals of the domain.
Piece-wise function
Set of all the y values of the relation. Use R.
Range
Any paring of elements of 1 set of numbers with elements of a 2nd set.
Relation
Makes a shape larger or smaller. Multiply by a number called a scale factor.
Dilation
Can be used to display data in organized rows and columns. Each number matrix is called an element.
Matrix
Reflects a mirror image over a given time. Multiply by one of the reflection matrices.
Reflection
Spins a shape through a certain amount of degrees. Multiply by one of the rotations matrices.
Rotation
Finding values of all the variables that make all the equations true at the same time.
System of equations
Moves all parts of a shape in the same direction. Add any translation matrix.
Translation
When it is symmetric with respect to the y axis.
Even function
When it is symmetric with respect to the origin.
Odd function
7 parents functions.
Parent functions
Symmetric about a point and a line.
Symmetry
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Verified questions
ALGEBRA
Quonset huts are temporary all-purpose structures shaped like a half-cylinders. You have 100 square feet of material to build a quonset hut. a. The surface area S of a quonset hut is given by $$ S = \pi r ^ { 2 } + \pi r \ell. $$ Substitute 1100 for S and then write an expression for l in terms of r. b. The volume V of a quonset hut is given by $$ V = \frac { 1 } { 2 } \pi r ^ { 2 } \ell. $$ Write an equation that gives V as a function in terms of r only. c. Find the value of r that maximizes the volume of the hut.
ALGEBRA2
I am thinking of two integers. One is 7 less than a number, and the other is 2 greater than the same number. Write expressions for the two numbers.
ALGEBRA
A traffic cone is 18 in. tall and 12 in. wide. You want to sketch an image of the traffic cone on a coordinate grid with one edge at (0, 0). What function that Includes an absolute value expression could represent the traffic cone? What would be the domain of the function? Explain.
COLLEGE ALGEBRA
Write the following as an algebraic expression. Then simplify. The total amount of money (in cents) in x quarters, (x+5) dimes, and 2x nickels. (Hint: The value of a quarter is 25 cents, the value of a dime is 10 cents, and the value of a nickel is 5 cents.)
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