1. Math 8 1st 9 weeks study guide

2. Convert from fraction to decimal.
1) ) ) ) 7 2

3. Convert from decimal to fraction.
5) ) ) …. 8) …..

4. Simplify
9) − ) )

5. 12) Carlos had 7. 2 ounces of rice and 3. 5 ounces of beans for lunch
12) Carlos had 7.2 ounces of rice and 3.5 ounces of beans for lunch. If he had the same for lunch for the entire week, how many total ounces did he consume?

6. 13) A dime has a thickness of 2 mm
13) A dime has a thickness of 2 mm. Lucy places her dimes in a dime wrapper. How many dimes can she place in the wrapper if the entire length is 35 mm?

7. Solve.
14) m + 13 = ) 3y + 8 = 2

8. Solve.
16) 2y + 29 – 8y = ) 5(1 – 2w) + 8w = 15

9. Determine if each table represents a function. Explain
18) x y ) x y

10. Determine the equation of the line represented by the table.
20) ) X -3 -5 -7 -9 Y 12 20 28 36 X 2 4 6 8 Y 18 36 54 72

11. Identify as rational or irrational
22)
23) 17
24) ….
25) 225

12. 26) Determine the rate of change from the tables in #20 and #21.

13. Find the slope of the line through the given points.
27) A(3, 7) B(-2, -13) ) C(0, 6) D(12, 30)
29) E(-3, 9) F(-9, 69)

14. 30) Mr. Jones is leasing a new car
30) Mr. Jones is leasing a new car. If he leases the car on a 5 year plan, the car will cost $300 a month plus $0.25 for every mile over 30,000 miles. If he leases the car on the 3 year plan, the function C = $ m for m number of miles. If he drives the car for 30,500 miles, which plan will cost more?

15. 31) You are hang gliding and your position is represented by the coordinates (10, 2000) where the x coordinate represents the seconds in the air and the y coordinate represents how high you are off the ground in feet. In 5 more seconds, you will be at 1500 ft. Determine the height that you started at. (in other words when x = 0).