IReady L22 review

Match the following problem with the equation

• c=32d+50

• Brian runs 7 kilometers each day. Write an equation that models the total kilometers , k, Brian runs over d, days.

• f=p_0.75

• A pool designer constructs a frame for an inground pool. The width of the border frame , f, is 0.75 foot greater than the width of the pool, p. Write an equation that models the width of the border frame with respect to the width of the pool.

• k=7d

• To rent a car, there is a flat fee of $50, plus $32 per day. Write an equation that models the total cost, c, for renting a car for (d) days.

Beth and Kristen leave their homes at the same time to visit a water park. They both drive at the same rate. The equation b=k+2 models Beth's distance in miles, b, from the park in terms of Kristen's distance, k, from the park. b is the ​​ (a)   variable, and k is the ​ (b)   variable.

• dependent
• independent

The equation c=5n models the total cost, c, for n movie tickets. Graph the relationship modeled by the equation. Use a table to help you graph the points. Start with 0 movie tickets.

Tags

CCSS.8.EE.B.5

Ryan runs cross-country. The equation d=200t models the distance, d, in meters Ryan runs in t minutes.

• 0

• 1

• 600

• 3

• 200

• 0

r - 18 = 27

• -45
• 45
• -9
• 9

62 + j = 74

• -12

• 136

• 12

• 8

m - 3 = 13.8

• m = 10.8

• m = 16.8

• m = 13.5

• m = 141

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

The weight of a goat increased by 12 pounds is 38 pounds. Which equation represents the problem?

• 38 = w + 12

• 38 - w = 12

• w + 12 = 38

• all of the above

• Addition

• Subtraction

• Multiplication

• Division