-MATH PRE-COMP STUDY PART 3-

Solving for an unknown variable

100

Solve for x: x+5=14

x=9

200

d-5=-22

-17

300

Solve: 5x=70

14

400

Solve: -4+16-65

-53

500

Solve: -14x=28

-2

Prime Factorization and Fractions

100

What is 3/6 in lowest terms?

1/2

200

What is 15/60 in lowest terms?

1/4

300

Find the prime factorization of 30.

5x2x3

400

Find the prime factorization of 72.

2³3²

500

Write 45x²/75x

3x/5

Complex Fractions

100

What is (2/3)/(4/5)?

5/6

200

What is (5/6)/(4/7)?

35/24

300

What is (2/3)/9

2/27

400

What is (4x/55)/(8/5)?

4x/88

500

What is (5/6+4/7) / (1/4+5/7)?

118/81

Square Roots and proportions

100

What is the square root of 1?

1

200

Is 2/3=6/9 a true proportion?

Yes

300

What is the square root of 169?

13.

400

Solve: 4/6=8/n

12

500

What is the square root of 1/49?

1/7

percents decimals and fractions

100

What is 0.09 as a percent and fraction?

percent: 9%

fraction: 9/100

200

What is 5 as a fraction and percent?

500%, 5/1

300

What is 0.75 as a fraction?

3/4

400

What is 14.40 as a percent?

1440

500

what is 2.00 as a percent and fraction?

200%, 1/50