Identifying Expressions and Equations

Is this an expression, equation, formula or an identity ?

2(x +3) ≡ 2x + 6

• expression

• identity

• equation

• formula

• 7

• g

• 8

• there is none

• 14

• y

• 8

• there is none

• 10

• x

• 15

• there is none

• 9

• 1

• x

• there is none

• 8 & 12

• 8a

• 12

• 8a & 12

• 16

• 5m & 16

• 5m

• 5 & 16

Which algebraic expression represents the following phrase?

• 2 + f

• 2f

Which algebraic expression represents the following phrase? 14 less than d

• 14 - d

• d - 14

• 14 + d

Which algebraic expression represents the following phrase?

quotient of e and 2

• 2e

• e + 2