Algebra Review - expressions and equations

Choose the correct algebraic expression for: twenty-one less than one third of a number

• 1/3n - 21

• 1/3 - 21n

• 21 - n/3

• n/3 - 21

Translate: the product of a number and two subtracted by the number

• 2x - x

• (x + 2) - x

• 2x - 2

• 2 (x - 2)

Evaluate -3c ^. 5d when c =4 and d = 3

• -180

• -96

• 96

• 180

Evaluate 3d + 10e when d = -5 and e = 2

• -44

• -39

• 5

• 35

Write the algebraic equation for: four less than three times a number equals negative six

• 3x - 4 = 6

• 4 - 3x = -6

• 3x - 4 = -6

• 3(4 - x) = -6

Solve: 3s - 27 = -165

• s = 46

• s = 64

• s = -46

• s = -64

Solve: r/2 + 19 = 27

• 4

• 16

• 92

• 35

Write an algebraic equation.

Dean ate 11 grapes after dinner, which was 3 more than twice as many grapes as Sara ate.

• 2g + 11 = 3

• 2g + 3 = 11

• 2g - 3 = 11

• 2g - 11 = 3

Tags

CCSS.5.OA.A.2

Evaluate 3x² + 5y when x = -4 and y = 3

• -33

• 7

• 63

• -63

Solve: 0.1x - 1 = 4

• 0.5

• 30

• 5

• 50