Parts of Expressions/Simplifying/Equivalent Expressins

Identify the number of terms: 3x + 9 + 4p - 2

• 3

• 4

• none

• 2

Choose all the coefficients in the expression: n + 4x + 9 + 2p

• 9

• 1

• 2

• 4

Choose all the constants in the expression: 7p + 9n + 4x

• 7

• 9

• 4

• none

Like terms...

• have the same variable

• can be added

• have identical variables

• can be constants

Are they equivalent? n + n + n and 3n

• yes

• no

are they equivalent? 7(x + 4) and 7x + 4

• yes

• no

Are they equivalent 8n + n + 3n and 12n

• yes

• no

simplify 9n + n + 3

• 13n

• 9n + 3n

• 10n + 3

• 9n + 3

simplify 6(3n + 3)

• 18n + 6

• 18n + 3

• 18n + 9

• 18n + 18

simplify 5(4x)

• 9x

• 20x

• 5 + 4x

• 5x + 4x