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Slope
Y-intercept
Vocabulary
Word Problems
Linear Functions
100

Find the slope of y=6.2x+8/3

What is m=6.2

100

find the y-intercept from (-1,6)(0,5)(1,4)(2,3)

What is b=5


100
The initial value of a linear function
What is Y-intercept
100
Ismael started the day with an irrigation pipe of 120 feet long. He used the equation L=15s+20 to determine the total length of the pipe as new sections of pipe, s. were welded on to the end. What is the slope of the line? What does the slope represent in the context of the problem?
What is 15 feet for each section of pipe?
100

Find the equation of the line (0,0) m=2

What is y=2x

200

Billy rented a boat with a $50 flat feet and $20 per hour rate. What is the slope?

What is m=$20

200

Billy rented a boat with a $50 flat feet and $20 per hour rate.  What is the y-intercept?

What is b=$50

200
How steep a linear function is.
What is slope?
200
Ricardo is draining his pool for the winter. There are 240 gallons in the pool and it is decreasing at a rate of 20 gallons per hours. Write an equation to represent the relationship between the amount of water in the pool, y, and the number of hours the pool has been draining, x.
What is y=240-20x?
200

Find the equation of the line (0,-6) m=5

What is y=5x-6?

300

K'Von is buying some ice cream with his credit card.  He is charged a $2.45 convenience fee and $1.00 per scoop. What is the slope?

What is m=$1.00

300

K'Von is buying some ice cream with his credit card.  He is charged a $2.45 convenience fee and $1.00 per scoop. What is the y-intercept?

What is b=2.45

300

An equation, graph, or table that represents a straight line

Linear Function

300

Steven is learning to scuba dive. He can dive in feet, D, based on the number of lessons he has had, L. Each lesson he can dive 20 feet and he started on a boat that was sea level.  What is the equation for the relationship?

What is y=20x

300

Find the equation of the line (0,-7) m=-4

What is y=-4x-7?

400
Find the slope (-4,-8) (1,3)
What is 11/5?
400
Find the y-intercept (2,3)(3,4)(4,5)(5,6)
What is b=1
400
y=mx+b is the format for a linear equation.
What is slope intercept form?
400

David works at the T-shirt shack selling tees. The equation y=15x-520 represents the profit that the T-shirt Shack makes for each t-shirt sold, where y is the total profit and x is the number of t-shirts sold. How much profit does the T-shrit Shack make if they make 44 t-shirts?

What is $140

400

Find the equation of the line from the following points (2,1)(0,-1)

What is y=x-1?

500
Find the slope (2.5,.5)(6,3)
What is 2.5/3.5?
500

Find the y-intercept (2,4)(4,7)

What is b=1


500
A function that increases and decreases and may have a curve
What is a non-linear function?
500
Alex paints faces at kids' birthday parties to earn extra money. The equation M=2.50f+12 represents the relationship between the money she makes, M, and the number of faces she paints, f. Alex wants to buy a new pair of Uggs that cost $119.50. How many faces does she need to paint?
What is 43 faces?
500

Find the equation from the following points (-2,5)(-1,8)

What is y=3x+11?