Topic 1 Review HW

What is the value of the expression?

 $6m^{ }\ -\ 3d\ +\ 8$   m = 3 , d =2

Which expression is equivalent to the following?

 $4x\ +\ 3y\ +2x\ -y$  

• 6x + 4y

• 2x + 2y

• 6x + 2y

• 6x -2y

Which equation is NOT equivalent to the following:

 $24x\ +\ 18y$  

•  6 (4x + 3y)

• 20x + 10y + 4x + 8y

• 9 (3x + 2y)

• 3 (8x + 6y)

Check all expressions that are equivalent to the following:

 $42\ +\ 24x$  

• 6 (7 + 4x)

• 3 (14 + 8x)

• 21 + 25x - x + 21

• 7 (6 + 4x)

Which expression matches the phrase below?

8 less than 5 times a number

• 8 - 5x

• 5x -8

• 8 - 5 + x

• 5 + x - 8

What is the coefficient in the expression?

 $12\ +\ 8x\ -4$  

• 12

•  8

• 4

• x

Expand the following expression by distributing:

 $\ 4\ \left(\ 3x\ +5\right)$  

• 7x + 9

• 12x + 5

• 12x + 9

• 12x + 20

Match the expression to it's correct factored expression:

 $\ 32\ +\ 48x$  

• 6 ( 5 + 8x)

• 8 ( 4 + 6x)

• 4 ( 8x + 12)

• 8 (4 + 7x)

Evaluate:

 $12^0$  

Evaluate using order of operations:

 $7\ +\ \left(9\cdot2\right)\div3\ -4$