Expressions Test Review

Which of these expressions is equivalent to
4x -12x + 24 ?

• 16x

• -8(x - 3)

• -8(x + 3)

• 2(4x + 24)

Which answer shows the factored form of
-12wx + 4w - 2w ?

• -2w(6x - 2w + 1)

• 12(x + w + z)

• 2w(6x - 2w +1)

• -12w(x - 3w + 1)

Which algebraic expression is equivalent to
-4(3x - 8y -5x) ?

• -8x + 32y

• 8x + 32y

• 8x - 32y

• -8x - 32y

Which factored expression is equivalent to
 ¾s + 6 ?

• ¾(s +18)

• ¾(s + 6) 

• ¾(s +12)

• ¾(s + 8)

Which expression is equivalent to -2.45(2x - 3) ?

• -4.9x - 7.35

• 4.9x + 7.35

• 4.9x - 7.35

• -4.9x + 7.35

Evaluate
2x + y - 3z  when
 x = -2,  y = 4,  and z = 3. 

• -1

• 9

• -9

• 17

Evaluate 
½y - 3x + 2z +yz when
 x = -2,  y = 4,  and z = 3. 

• 32

• 26

• 14

• 20

Evaluate
y² - 8x when
 x = -2   and  y = -5

• 41

• 9

• -41

• -9

Simplify the expression
2x - 5(x -3) +2

• -3x - 1

• -3x - 13 

• -3x + 17

• -3x - 17

Simplify the expression
-2x + 14 - y + 8x + y

• 6x + 14

• 10x + 2y +14

• -6x - 2y + 14

• -10x + 14