Math 3a Worksheet With Answers - Pocatello/chubbuck School District 25 (Page 2 of 7) in pdf

Math 3a Worksheet With Answers - Pocatello/chubbuck School District 25 Page 2

11. If y = 166 when x = 83, what is y when x = 23?

12. A leaky valve on the water meter overcharges the residents for one gallon of water in every

months. The

overcharged amount w varies directly with time t.

Find the equation that models this direct variation.

How many months it will take for the residents to be overcharged for 8 gallons of water?

Find the slope of the line.

13.

14.

15. A new candle is 8 inches tall and burns at a rate of 2 inches per hour.

Write an equation that models the height h after t hours.

Sketch the graph of the equation.

16. For

17. Suppose

and

Find the value of

18. Graph the equation

19. The range of a car is the distance R in miles that a car can travel on a full tank of gas. The range varies

directly with the capacity of the gas tank C in gallons.

Find the constant of variation for a car whose range is 341 mi with a gas tank that holds

22 gal.

Write an equation to model the relationship between the range and the capacity of the

gas tank.

Find the slope of the line through the pair of points.

20. ( 

, 0 ) and ( 

, 

)

Math 3a Worksheet With Answers - Pocatello/chubbuck School District 25 Page 2