Determine Which Expressions Are Equivalent

Which expression is equivalent to 6(n-4)?

• 918n -10

• 18n - 24

• 18n - 4

• 3n - 24

Which expression is equivalent to 36a-27?

• 3(18a-9)

• 3(12a-6)

• 9(4a-3)

• 9(4a-27)

Which expression is equivalent to 7(a+2) when a=6 ?

• 7(6)

• 9(6)

• 7(6)+2

• 7(6)+14

Which expression is equivalent to 5(w+4) when w=9?

• 5(9)+20

• 5(9)+4

• 5(9)

• 9(5)

Ethan is substituting s=3 and s=8 to determine if the two expressions are equivalent. 4(6s+1) and 24s+1 Which statement is true?

• Both expressions are equivalent to 193 when s=8.

• The expressions are not equivalent.

• Both expressions are equivalent to 73 when s=3.

• Both expressions are equivalent to 76 when s=3.

Tomas is substituting z=5 and z=9 to determine if the two expressions are equivalent.

8(4z - 3) and 32t - 24

Which statement is true?

• Both expressions are equivalent to 157 when z=5

• Both expressions are equivalent to 264 when z=9.

• Both expressions are equivalent to 46 when z=5

• The expressions are not equivalent.

What was Barbara’s error?

• Barbara wrote (d+63) instead of (63d).

• Barbara wrote (d+63) instead of (d+56).

• Barbara wrote (d+63) instead of (d+10d).

• Barbara wrote (d+63) instead of (d+9).

Are these expressions Equivalent?

2y + 7(3 + y) = 9y + 21

• Yes

• No

Which expression is equivalent to 7y - 14?

• 7(y - 2)

• y3 + y4 - 14

• 4 + 10 - y • y • y • y • y • y • y

• 5y + 2y - 6 + 8

Are these expressions Equivalent?

4w2 + 10 = 2(2w + 5)

• Yes

• No