Calculating Slope
Slopes Don't Have To Be Positive
Translating y=mx+b
Representation of Linear Relationships
100
Find the slope of the line that goes through
(0,5) (8,2)
-3/8
100
What type of slope is this line. (positive, negative, or zero)?
Positive
100
Select all equations that have graphs with the same y-intercept.
A,D,E,F
100
Derrick started a new job at McDonald's. He makes $10 per hour. Which equation models his total weekly earnings (W) in terms of the number of hours he works (t)?
W=10t
200
Find the slope of the line that goes through
(2, -1 ) (6,1)
1/2
200
What type of slope is this line. (positive, negative, or zero)?
Negative
200
What is the y-intercept by looking at the graph?
4
200
Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which equation models the amount she charges over time?
y= 30x + 20
300
-2/6
300
What type of slope is this line. (positive, negative, or zero)?
Zero
300
What is the slope?
Slope = 2
300
Which table contains only values that satisfy the equation y = 0.5x + 14?
C
400
For each graph, calculate the slope of the line.
-5/4
400
What type of slope is this line. (positive, negative, or zero)?
y= -3x-6
Negative
400
What is the y-intercept of the solid line?
y-intercept = -3
400
Benji spent $3 on art supplies. He sells paintings for $7.50 each. What is Benji's profit? You have to tell me the equation.
y= 7.50x -3
500
Find the value of k so that the line passing through the pair of points has the given slope.
(k, 2) and (11, 14), slope = 2
k =5
500
What type of slope is this line. (positive, negative, or zero)?
y= -1
Zero
500
Translate this into an equation:
y= 2x-3
500
A local donut shop charged $6.50 for a dozen and gave out a coupon in the newspaper for $0.75 discount on the total bill. What is the equation that represents the value of a customer's order who uses the new coupon with their order?
y= 6.50x - 0.75