Solving Equations
Proportionality
Linear Graphs
Data and Associations
Misc.
100
Solve for x.
x+11+8x=-29
x=-40/9
100
What is the unit rate?
$8 per ticket
100
If y=-6x+7 is an equation of a linear graph, then what is the y-intercept?
(0,7)
100
Graph C
100
What is the first step in this equation?
7(x-4)=-1
Distribute
200
Solve for x.
4(-x+4)=12
x=1
200
Which graph is proportional?
Graph A
200
It costs $55 to rent a jet ski and $12 for every hour of usage. What is the slope-intercept form equation?
y=12x+55
200
Is this a function?
yes
200
What is the initial value and rate of change?
y=-6x+2
-6 is the rate of change
2 is the initial value
300
Solve for x.
-2(x-2)=-3-2x
no solution
300
What is the constant of proportionality?
1/3
300
What is the slope-intercept form equation for the table?
y=2x+3
300
Which equation is linear?
A. y=x2
B. y=-5/x
C. y=-2x+4
D. x2+y2=r2
C
300
What coordinate point lies on the graph of y=5x+4?
A. (4, -1)
B. (6, 3)
C. (1, 8)
D. (-1, -1)
D
400
Solve for x.
3+5x=5(x+2)-7
infinitely many solutions
400
How many girls if there are 35 boys?
105 girls
400
Write a slope-intercept form equation that goes through (0,-2) and (4, 6)
y=2x-2
400
What is the slope of the line?
m=4
400
What is the rate of change from frequency 0 to 4?
-1/4
500
Solve for x.
-(3-6x)=6x+5
no solution
500
y=kx is the equation for a proportional graph. If (3, -2) is a point on the graph, then what is k?
-2/3
500
What is the slope-intercept form that has a slope of -4 and goes through (3, -2)
y=-4x+10
500
Which is not a function?
Figure 3
500
What is the grand total?
106