Vocabulary
Calculating Slope
Writing Equations
m & b mix up!
Solving Equations
100
How can you tell if a graph is proportional?
The line goes through the origin.
The equation has no 'b.' y = mx
100
Find the slope.
3/2
100
You join a book club. You buy one novel for 14.99 and 12 short stories.
Write the equation in y = mx + b form
y = 12x + 14.99
100
Identify the slope and initial value in the equation
y= 4/3x
slope: 4/3 initial value: 0
100
-4(8+5x)=8
x = -2
200
Type of relationship where y increases by the same amount as x increases. The graph is a straight line
linear
200
If the rise is 4 and the run is -2, what is the slope.
-2
200
I have scored 25 points. I score 5 points each additional minute. Write an equation for total points.
y = 5x + 25
200
What is the y-intercept in this equation? y= 2x - 3
- 3
200
-2(x-5) +7x =-5
x = -3
300
Name three synonyms for m in y = mx +b
rise/run, slope, coefficient, rate of change
300
Find the slope.
8/2 or 4
300
I have 100 dollars in the bank account. Each week I spend $3 on my girlfriend. Write an equation.
y = -3x + 100
300
Identify the slope and y-intercept in the equation y= -3/2x
slope: -3/2 initial value: 0
300
8(-2x-4) +12 = -52
x =2
400
Initial Value and One-Time-Fee refer to which part of y=mx +b?
b
or
The y-intercept
400
Find the slope of the given graph.
Undefined.
400
You get a phone for 55.00 per month and pay 450 as a deposit.
What is the
Initial Value?
The Rate of Change?
Initial value is 450
ROC is 55
400
Identify the slope and initial value in the equation y= 5x + 4
slope:5 and initial value: 4
400
x +3(x+4) =20
x = 2
500
What does b represent in y = mx + b
starting point or y-intercept
500
Find the slope of the table 
3/1 or 3
500
I earn 12 dollars each week. Write an equation.
y = 12x
500
What is the slope in this equation? y = 5/4x - 1
5/4
500
3x +4 -5x -x -x = 20
x = -4