Expressions

b² + 4
when b = 3

• 10

• 12

• 13

• 11

y + z²

when y = 5 and z = 2

• 7

• 9

• 29

• 14

Plugging in a number for a variable is called

• operation

• evaluation

• substitution

• solving

• F

• G

• H

• J

Which phrase matches the numeric expression?
25 - 6 x 2

• twenty-five minus six times 2

• 25 minus the product of 6 doubled

• 25 minus 6 divided by 2

• the difference of 25 and 6 doubled

a math expression that contains numbers and at least one operation

• numerical expression

• algebraic expression

• order of operations

• equivalent expression

Which expression represents the following calculation?
Subtract 32 from the product of 48 and 15.

• 32 – (48 + 15)

• (48 – 15) × 32

• (48 × 15) – 32

• 32 × (48 – 15)

a + c - b

when a = 2, b = 1, c = 9

• 4

• 14

• 10

• 8

3 more than x

• 3x

• 3 + x

• x - 3

The quotient of a number and 8

• 8g

• 8/g

• g+8

• g/8