Vocabulary
Constant of Proportionality is also known as _______.
6 + x = 15
x = 9
Point A is located at coordinates (-4, 3).
Point A' is the image of A after a reflection
using the x-axis.
What is the new coordinate?
(-4, -3)
Write an equation for a line with slope 2 y-intercept 0
y = 2x
36
A __________ is a rule that assigns exactly one output to each possible input.
function
8x - 2 = 62
Identify the coordinates of triangle (-6,2) (-10,2) (-8,6) after a reflection across the Y axis.
(6,2) (10,2) (8,6)
Write the equation for a line with a slope of 1.9 and a y-intercept of 2.4
y= 1.9x + 2.4
7 x 6
42
An ____________ variable represents the input of a function.
independent
What is the solution to:
3x + 30 + x = 10 + 2x + 5x + 2
Identify the coordinates of triangle (-6,2) (-10,2) (-8,6) after a reflection over the X axis
(-6,-2) (-10,-2) (-8,-6)
m=5 b=13
Write the equation of the line.
y = 5x + 13
9 x 8
72
In an algebraic expression, a __________ is a number that is multiplied by a variable.
coefficient
-3x = -3 - 2x
x = 3
Identify the coordinates of triangle (-6,2) (-10,2) (-8,6) after a translation x-2 y-1
(-8,1) (-12,1) (-10,5)
Write the equation of a line with an undefined slope
y = any number
5 x 12
60
A __________ ________ _______ is a set of two or more equations. Each equation contains two or more variables. We want to find values for the variables that make all the equations true.
system of equations
4(x + 1) = -x -1
x = -1
Identify the coordinates of triangle (3,1) (5,1) (4,4) after a translation x+3 y+2
(6,3) (8,3) (7,6)
Write an equation of a line with a slope of 0
x = any number
12 x 9
108