algebra 1

(8a)² = 

• 16a

• 64a

• 16a²

• 64a²

(-8a) x (-3b) =

• -24ab

• -11ab

• 11ab

• 24ab

5(2x -y) -2(3y-5x)

• -11y

• 2x - 6y

• 6x - 7y

• 20x - 11y

3a² x 2a³

• 6a⁵

• 5a⁵

• 6a⁶

• 72a⁵

If m* n = √mn - n² , then 5*3

• √6

• 3

• √15

• 6

If 50-3x = x-26, then x=

• -12

• -6

• 6

• 19

If P = m² / 2-m , when m=-3, then P=

• -6

• -6/5

• 9/5

• 9

Althea saves $x each month, but in June she saved $4 more than twice her regular amount. In June she saved

• $4x

• $6x

• $(x+4)

• $(2x + 4)

3a(a+2b) -b(2a-3b) =

• 3a² -ab + 3b²

• 3a² + 4ab + 3b²

• 3a² +4ab -3b²

• 3a² +8ab - 3b²

The middle term in the expansion of ( x+ 3 ) ( x - 1 ) is

• 2

• 3

• 2x

• 4x