Rise over Run
What is the rate of change in the following equation: y=3x - 4
What is 3.
What is the y-intercept in the following equation: y= -3x + 4
What is 4.
Solve for x.
5 = 2 + x
-2 -2
3 = x
Ben walks at 2 m/s and had a 50 m head-start. Write an equation.
What is y = 2x + 50
What is the slope in the following equation: -2x + 4 = y
What is -2.
What is the y-intercept in the following equation: y= 2x - 9
What is -9.
Solve for x.
-10 = 2 - x
-2 -2
-12 = -x
12 = x
Use Figure 1. What is the equation?
What is y = 1/4x + 0
Use Figure 1. What is the slope of the line?
What is 1/4.
Use Figure 1. What is the y-intercept?
What is 0.
Solve for x.
20 = 2x - 10
+10 +10
30 = 2x
/2 /2
15 = x
Lisa's running a race. She gets a sponsor to pledge her $525 no matter what. The same sponsor will also give her $5 for every mile she runs. Write an equation.
What is y = 5x + 525
Use Figure 2. What is the slope of the table?
What is -1.
Use Figure 2. What is the y-intercept?
What is -1.
Solve for x.
12 + 2x = 4 + 6x
-4 -4
8 + 2x = 6x
-2x -2x
8 = 4x
/4 /4
2 = x
Use Figure 2. What is the equation.
What is y= -1x - 1
Jimmy started his saving with $50 and saved $5 from each of his weekly allowance.
What is the rate of change?
What is the slope?
What is $5.
Bob decided to save his money for a new phone. He received $100 from his grandma to get him started. Grandma also paid John $20 a week to mow her lawn. What is the y-intercept?
What is $100.
Solve for x.
7x - 8 = 2 - 3x
+3x +3x
10x - 8 = 2
+8 +8
10x = 10
/10 /10
x = 1
Mrs. Carlson is buying math shirts for all her students. Each shirt will cost $15 and she has 140 students. What is the cost of the shirts if there is a delivery fee of $50? Write an equation and solve.
What is y=15(140) + 50 cost = $2150