MJ2 Semester 1 - Review

Quadrants/Integers

100

Look at question #1 on your semester review. In what quadrant is point A?

Quadrant II

200

Look at question #1 on your semester review. What are the coordinates for point B?

(-1,0)

300

What expression does NOT equal -7? A. -2-5 B. 2-(-5) C. 4-11 D. -16+9

B

400

The weather forecast in Boston last night was for the temperature to drop 3˚ each hour. If the temperature was 7˚ at 8:00pm, what was the temperature at midnight?

-5˚

500

Jesse's mom had a balance of -45 dollars in her checking account. She had overdrawn the account. The bank charged her account a 30 dollar overdraft fee. After Jesse's mom made a deposit the account balance was 120. How much money did she deposit?

$195

Rational #'s

100

Write 7/9 as a decimal.

0.777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777...

200

Which of the following is equivalent to 0.875? A. 1/25 B. 87/100 C. 7/8 D. 8 3/4

C

300

Write .05 as a percent.

5%

400

What is 40% written as a decimal?

.4

500

Turn this mixed number into an improper fraction: 2 3/4

11/4

Fractions

100

Maria bought 1/4 pound of ham and 5/8 pound of turkey. How much more turkey than ham did she buy?

3/8

200

Find the difference in simplest form: 1 3/4 - 2 1/8

-3/8

300

Find the quotient of -1 4/5 and 2 1/4

-4/5

400

Jeff left 4/5 of the pumpkin pie in the refrigerator. On Saturday, he ate 1/2 of what was left of the pie. What fraction of the entire pie did he eat on Saturday?

2/5

500

Frank practiced basketball on 4 different days last week for 1 3/4 hours each time. How many hours did he practice last week?

7

Exponents/Equations

100

What is the value of the expression (-1/3)^3?

-1/27

200

Evaluate: -5x^2 if x=-2

-20

300

What is the value of the expression 4.5a^2 - a if a=-2?

20

400

Miranda is on her middle school basketball team. She scored 12 points in the first game and P points in the second game. She scored a total of 25 points in both games. Write and solve and equation to find the number of points Miranda scored in the second game.

12+P=25; 13

500

Last week, Marcus had a balance of -$10 in his savings account. This week, the balance is $10. Write an equation that would show the change, c, in his account?

-10 +c=10

Solve Equations

100

Solve for x: 1/2x + 6 = 11

x = 10

200

Which steps would solve: 5 - x = -3 A. Add 5 to both sides, then add x to both sides B. Add 5 to both sides, then divide both sides by -1 C. Subtract 5 from both sides, then divide both sides by -1 D. Subtract 5 from both sides, than subtract x from both sides

C

300

Which steps would solve 1/5x + 2 = 17 A. Add 2 to both sides, then multiply both sides by 1/5 B. Add 2 to both sides, then multiply both sides by 5 C. Subtract 2 from both sides, then multiply both sides by 1/5 D. Subtract 2 from both sides, then multiply both sides by 5

D

400

The Martins had to have a plumber come to fix their kitchen sink. The plumber charged $75.00 per hour for work and an additional service call fee of $50.00. How much was the Martin's bill, if the plumber worked for 1 1/5 hours?

$162.50

500

Greg paid $21.00 at the bowling alley for an afternoon of bowling. He paid $7.50 for she rental and $2.25 per game bowled. How many games did Greg bowl?

6