Lessons 4.1 - 4.5 Quiz Review

Haddie makes and sells scarves. For her craft show booth, she will pay $25 to rent the space. She will charge $12 for each scarf she sells at the fair. What is the correct expression to determine Haddie's profit for selling s scarves after paying the booth rental fee?

• 12 + s - 25

• 25 + 12s

• 12s - 25

• 25 - 12s

The cost to buy p pounds of potatoes at $0.32 per pound and n pounds of onions at $0.48 per pound can be determined by using the expression 0.32p + 0.48n. How much will it cost to buy 4.5 pounds of onions and 2.5 pounds of potatoes?

• $2.96

• $0.80

• $7.00

• $3.20

Simplify the expression below:

 $\frac{5}{8}m\ +\ 9\ -\ \frac{3}{8}m\ -\ 15$  

•  $m\ -6$  

•  $\frac{1}{4}m\ -\ 6$  

•  $m\ +\ 6$  
  

•  $\frac{1}{4}m\ +\ 6$  

Simplify the expression below:

 $-8w\ +\ \left(-4z\right)\ +\ 2\ +\ 6w+\ 9z\ -\ 7$  

•  $2w\ +\ 5z\ +\ 5$  

•  $14w\ +\ 5z\ -5$  

•  $-2w\ +\ 13z\ -\ 5$  

•  $-2w\ +\ 5z\ -\ 5$  

Simplify the expression below:

 $-6\ +\ \left(-2d\right)\ +\ \left(-4d\right)\ +\ 3d$  

•  $-3d\ -\ 6$  

•  $-3d\ +\ 6$  

•  $9d\ -\ 6$  

•  $-9d\ -\ 6$  

Expand the expression below:
 $3.5\left(-3n\ +\ 4\right)$  

•  $-10.5n\ +\ 14$  

•  $-6.5\ n\ +\ 7.5$  

•  $10.5n\ +\ 14$  

•  $6.5n\ +\ 7.5$  

Simplify the expression below:
 $-\frac{3}{5}\left(-8\ +\ \frac{5}{9}x\ -\ 3\right)$  

•  $6\ \frac{3}{5}\ +\ \frac{1}{3}x$  

•  $6\ \frac{3}{5}\ -\ \frac{1}{3}x$  

•  $-7\ \frac{2}{5}+1\ \frac{7}{45}x\ -\ 3\ \frac{3}{5}$  

•  $7\ \frac{2}{5}-1\ \frac{7}{45}x\ +\ 3\ \frac{3}{5}$  

Factor the expression:

 $63a\ -\ 42\ b$  

•  $9\left(7a\ +\ 6b\right)$  

•  $21\left(3a\ +\ 2b\right)$  

•  $9\left(7a\ -\ 6b\right)$  

•  $21\left(3a\ -\ 2b\right)$  

Factor the expression:

 $81y\ +\ 54$  

•  $27\left(3y\ +\ 2\right)$  

•  $9\left(9y\ +\ 7\right)$  

•  $27\left(37\ -\ 2\right)$  

•  $9\left(9y\ -\ 7\right)$  

Which shows a way to factor the expression:
 $32t\ -\ 48$  

Select ALL that apply.

•  $2\left(16t\ -\ 24\right)$  

•  $4\left(12t\ -\ 48\right)$  

•  $6\left(26t\ -\ 42\right)$  

•  $8\left(4t\ -\ 6\right)$  

•  $16\left(2t\ -\ 3\right)$