Week 3 Quiz

Which value of n makes the equation

 $\frac{3}{4}\left(4n-8\right)+2=\frac{1}{3}\left(12n-6\right)$  true?

• n= -2

• n= 2

• n=  $-\frac{2}{7}$  

• n= $\frac{2}{7}$  

What is the solution to the equation

 $5\left(2x-9\right)+3=-4x+7$  ?

• x= 3.5

• x= -3.5

• x= 0.93

• Not Here

Which of the following is equivalent to

 $5x+3y=10$  ?

•  $y=-\frac{5}{3}x+\frac{10}{3}$  

•  $\frac{5}{3}x+y=10$  

•  $y-3=10\left(x-5\right)$  

•  $y=\frac{5}{3}x+\frac{10}{3}$  

Square ABCD has a length represented by the expression 5x+7. Square JKLM has a length represented by the expression 3x-1. Which of the following expressions can be used to represent the difference in the perimeters of Square ABCD and Square JKLM?

• 8x-6

• 2x+32

• 2x+6

• 8x+32

Which expression is equivalent to

 $2.5\left(x+2y\right)-\left(-x+4y\right)+3\left(1.5x-y\right)$  ?

•  $6x+5y$  

•  $6x+6y$  

•  $8x-2y$  

•  $10.5xy$  

What is the quotient of the polynomial below?

 $\frac{72-15x}{5x-24}$  

• 3

• -14.4

• 10

• -3