Dist and Comn

​Distribute and Combine

Multiple Choice

Solve the following

$$\left(\frac{2}{3}\times\frac{3}{5}\right)\div\frac{15}{7}$$

• 6/7

• 9/20

• 14/75

• 2/15

Distribute a variable

■

Multiple Choice

x (x - 9)

• $$x^2\ -\ 9$$  

• $$x^2\ -\ 9x$$  

• $$x\ -\ 9x$$  

• $$-9x$$  

Multiple Choice

3x (y + 4)

• 3x3y + 4x

• 3xy + 4x

• 3xy + 12x

• 3x + 3y + 12

Multiple Choice

3x (9 + 2y - 3z)

• 27x + 6xy - 9xz

• 24xyz

• 27 + 6y - 9z

• 27x + 6x - 9x

Time to Mix Things Up

​Distribute and combine

Distribute is multiplication
Combine is addition

MULTIPLICATION COMES FIRST

Multiple Choice

12(4x + 5) + 10x

• 58x + 20

• 58x + 60

• 48x + 20

• 48x + 60

Multiple Choice

Which of the following is equivalent to

-8 + 9(5 + 2x) ?

• -2x-5

• 18x+37

• 18x-37

• 2x+5

Multiple Choice

Simplify the following expression:

-6x + 4(-x - 3)

• -2x - 12

• 10x + 12

• -10x - 12

• -2x + 12