Quiz Review

Translate to an algebraic expression: fifteen more than a number

• 15 + n

• n - 15

• 15n

• 15/n

Translate to an algebraic expression: The quotient of a number and 92.

• n - 92

• n/92

• 92n

• 92/n

Translate to an algebraic equation: the sum of 14 and a number is equal to 45.

• 45 + n = 14

• 14 + 92 = n

• 14 + n = 45

• n + 14 = 90

What is the difference between an expression and an equation?

• One includes variables.

• One can be solved for the unknown number.

• One has an inequality symbol.

• They are the same thing.

Identify the coefficients in this expression: 2x - 2 - 5x + 16

• 2, -5

• 2, 16

Identify the constants in this expression: 2x - 2 - 5x + 16

• 2, -5

• -2, 16

Identify the variables in this expression: 2x - 2 - y + 16

• x, y

• -2, 16

Identify the terms in this expression. 2x - 2 - y + 16

• 2x, -2, -y, 16

• 2, -1

Add: - 9 + (-6)

• 15

• -15

• 4

• -4

Subtract: 5 - (-3)

• 2

• 8

• -2

• -8