Concept of Function
Input/Output
Slopes and Intercepts
Re-Writing Equations into Slope-Intercept Form
Deriving Equations
100
In a function, how many outputs can each input have?
Exactly 1
100
In the linear equation y = 2x + 5, what is the output when the input is 6?
17
100
Identify the slope in this equation: y = -4x + 3
-4
100
What is the slope of this equation: 2y = 8x - 12
4
100
A line has a slope of 3 and a y-intercept of -4. What is its equation?
y = 3x - 4
200
What is a Function?
A relation in which each input has Exactly One output.
200
For the function y = 6x - 20, what is the value of y when x=0?
-20
200
Identify the y-intercept of this equation: y = -9x + 14
14
200
What is the slope of this equation: 2x + y = 4
-2
200
A line has a slope of -5 and y-intercept of -2, what is its equation?
y = -5x - 2
300
This method is used to VISUALLY determine whether a graph is a function or not.
What is the Vertical Line Test
300
Fill in the blank: For the linear equation y = -3x + 4, (2, __) is a solution
-2
300
In the equation y = 3x + 5, where is the y-intercept? Answer as an ordered pair (__, __)
(0, 5)
300
Describe how to solve for y: -3y = 8x + 15
Divide every term by -3
300
A linear function has a rate of change of (-2/3) and a y-intercept of 1. What is its equation?
y = (-2/3)x + 1
400
This word describes the set of all x-values
What is Domain
400
In the function y = 8x + 42, what is the output when x = 4
74
400
What is the y-intercept of the equation: y = -2x
0, or (0, 0)
400
What is the y-intercept of this line: -3y = 8x + 15
-5
400
The following are points on a line: (-1, -2) (0, 1) (1, 4) (2, 7) (3, 10) What is the equation of this line?
y = 3x + 1
500
This is the shape of the function y=mx+b
What is a Line (Linear Function)
500
The output of the equation y = -3x - 7, when x=5
-22
500
What are the two steps to graphing an equation in slope-intercept form? (y=mx+b)
1. Plot the y-intercept 2. Draw the slope
500
Re-write this equation in slope-intercept form: 6x + 2y = -8
y = -3x - 4
500
The following are points on a line: (1, -1) (2, -3) (3, -5) (4, -7) What is the equation of this line?
y = -2x + 1
M
e
n
u