Expressions and Integers

-20(32)

• 12

• -12

• 640

• -640

-2(2)(-3)

• 12

• 1

• -12

• 7

Find the mean of the integers:

-2,3,6,-3,2,6

• 2

• 12

• -2

• 6

State the absolute value of the number:

-5

• 5

• -5

adding integers - same sign: the sum of two positive integers is positive ? True or False

• true

• false

12/3*4

• 16

• 60

• 36

• 25

63-5x , for x = 7

• 35

• 28

• 30

• 13

14 * n + 6 , for when n = 4

• 62

• 65

• 12

• 26

a mathematical phrase that uses variables, numerals, and operation symbols.

• variable expression

• variable

• order of operations

• equation

5 times d and then increased by 8

• 5d + 8

• 5 + 8d

• 5 + 8 + d

• 5d-8