Semester 1 Math Review

Solving Equations

100

Solve: h/3 - 14 = -11

h = 9

200

Solve: -6y + 4 + 11y = -16

y = -4

300

Solve: 5(x + 1) = 5x + 5

No solution

400

Solve: 2x - 6 = = -8x + 14

x = 2

500

Solve: 8y + 4 = 4(y - 7)

y = -8

Least Common Multiple

100

Find the LCM of: 18 and 24

72

200

Find the LCM of: 10 and 16

80

300

Find the LCM of: 55 and 15

165

400

Find the LCM of: 6x², 10x³

30x³

500

Find the LCM of: 24xy², 36x³y

72x³y²

Greatest Common Factor

100

Find the GCF of: 28 and 42

14

200

Find the GCF of: 64, 144

16

300

Find the GCF of: 32 and 55

1

400

Find the GCF of: 20x² and 36x

4x

500

Find the GCF of: 44x²y and 48xy²

4xy

Fractions

100

Solve: 4/5 - 11/15

1/15

200

Solve: - (9/20) • 2 2/3

-1 1/5

300

Solve: 8/9 • (- 3/10)

- 4/15

400

Solve: (4x³/15) • (5x³/12)

x⁶/9

500

Solve: (-9x²/13) • (x/12)

- 3x³/52

Proportions

100

Solve: x/6 = 35/42

x = 5

200

Solve: 17/x = 34/46

x = 23

300

Solve: 6/17 = 3/x

x = 8.5

400

Solve: 7/x = 0.6/3

x = 35

500

Solve: 36/54 = 18/(x + 5)

x = 22