Ismael started the day with an irrigation pipe of 120 feet long. He used the equation L=15s+120 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?
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?
The number next to a variable.
What is the coefficient?
Steven is learning to scuba dive. The equation D=20L+15 represents the depth he can 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?
Find the equation of the line (-2,1) m=-4
What is y=-4x-7?
y=mx+b is the format for
What is a linear equation?
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-shirt Shack need to sell to make a profit of $140?
What is 44 t-shirts?
3x, 4x, .5x
OR
2.2y, 7y, 10y
are examples of
What are like terms?
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?