Grade 6 Algebra Pre-Test

Simplify:

y+y+y+y-4

• y⁴-4

• 4y-4

• 3y

• -4y

Simplify:

6-(b+b+b)

• 6-b³

• -3b+6

• 3b

• b⁶

What is the coefficient in the following expression:

7x-8

• 7

• x

• -

• 8

What is the constant in the following expression:

7x-8

• 7

• x

• -

• 8

What is the variable in the following expression:

7x-8

• 7

• x

• -

• 8

Simplify:

2x-4x

• 2x

• -2x

• 6x

• -6x

Write the follow expression in product notation:

2 * a + b * 3

• a2+b3

• a²+b³

• 2a+b³

• 2a+3b

Write the following expression in index notation:

 $5\times g\times g\times5\times g$  

•  $5^2g^3$  

•  $5^2\times3\times g$  

•  $\left(5g\right)^3$  

•  $\left(5g\right)^2$  

Simplify:

-3x²(4x³)

• 1x⁵

• -12x⁶

• -12x⁵

• 1x⁶

If x=3 and y=2, evaluate 2x-y.

• 4

• 1

• -12

• 2