Pre Algebra Test Study

Write an expression for the product of 10 and a number

• 10/n

• 10n

• 10 + n

• 10 - n

Write an expression for the difference of 27 and a 3 times number

• 27 - 3n

• 3n - 27

• 3n + 27

• 3n / 17

Solve 2x + 4 = 28

• x = 16

• x = 14

• x = 12

Solve 4c - 8 = 20

• c = 3

• x = 7

• c = 7

Simplify 1 + 5 - 4

• 2

• -2

• 4

Simplify 6 ⋅ 5 - 2

• 14

• 28

• 56

Simplify (1 + 6) ⋅ 6

• -42

• 30

• 42

Simplify -4 + 4 - 30 ÷ 3

• -10

• 10

• 4

20 ⋅ 2 ÷ (4 - 8)

• -10

• 10

• 0

• 3

Simplify (1 + 3)²

• 16

• -16

• 10