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Slope
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Vocabulary
Word Problems
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100
Find the slope of (5,4)(6,7)
What is 3?
100

Are these ordered pairs a function? 

(1 , 2 )  (2, -3)  (-2 , 1 )  (1,  1) 

What is no? 

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 (2,4) m=2

What is y=2x

200
What is the slope of (2,6) (1,8)
What is -2?
200
Mr. Uddin is 6 years younger than his brother James. If James age is x. Write an expression for Mr. Uddin's age. 

What is x-6?

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

Maria is starting a new job as a dog walker. She charges a flat fee of $5 for each walk, plus an additional $3 for every dog she walks. If she walks x dogs, her total charge, y, can be modeled by a linear function.

What is y=3x+5?

300
Find the slope from the following points: (2,4) (3,6)(4,8)(5,10)?
What is 2?
300

Find the y-intercept (-2,5) m=-3

What is b=-1?

300

 A Linear Function has ______________ rate of change. 

What is constant? 

300
Steven is learning to scuba dive. The equation D=20L+15 represents the depth he cna dive in feet, D, based on the number of lessons he has had, L. How deep can Steven dive after he takes 13 lessons?
What is 275 feet?
300

Samantha is saving money for a new bike. In the first week, she saved $20. By the fifth week, she had saved a total of $80.

  1. What is the average rate of change in Samantha's savings from the first week to the fifth week?

What is The average rate of change is $15 per week?

400
Find the slope (-4,-8) (1,3)
What is 11/5?
400

Write an equation of a linear function that moves 4 units down from the parent function y= x. 

What is y = x - 4

400

In the equation y=mx+b. What does the b value

What is y- intercept?

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 many t-shirts does the T-shrit Shack need to sell to make a profit of $140?
What is 44 t-shirts?
400

Liam is designing a rectangular garden and wants to write an expression for the total cost of materials. The garden has a length of 3x+4  meters and a width of 2x−5 meters. The cost of materials per meter for the length is $7, and the cost per meter for the width is $4.

  1. Write an expression for the total cost of the materials for the length and the width of the garden.

What is 29x+8 dollars 

500
Find the slope (2.5,.5)(6,3)
What is 2.5/3.5?
500
Find the y-intercept (-4,6) (-2,5)(0,4)(2,3)
What is b=-1/2
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)(0,3)(2,1)
What is y=x+3?