Algebra Unit 2 Check Your Understanding Mid-Unit Review

Which equation is equivalent to $5x+30=45\ ?$ 

•  $3x=45$  

•  $5x=75$  

•  $5\left(x+30\right)=45$  

•  $5\left(x+6\right)=45$  

Tags

CCSS.8.EE.C.7A

Select ALL equations that have the same solution as $2x-5=15$   

•  $2x=10$  

•  $2x=20$  

•  $2\left(x-5\right)=15$  

•  $2x-20=0$  

•  $4x-10=30$  

Tags

CCSS.8.EE.C.7A

Given the equation $2x+4y=154$  , solve for x

•  $x=2y+77$  

•  $x=-2y+77$  

•  $x=-2x+46$  

•  $x=2y+46$  

Tags

CCSS.6.EE.C.9

Given the equation  $2x+4y=154$  , solve for y

•  $y=2x+38.5$  

•  $y=-2x+38.5$  

•  $y=-\frac{1}{2}x+38.5$  

•  $y=\frac{1}{2}x+38.5$  

Tags

CCSS.6.EE.C.9

Select ALL points that are solutions to the equation

 $4x+3y=24$  

•  $\left(6,\ 0\right)$  

•  $\left(0,5\right)$  

•  $\left(3,4\right)$  

•  $\left(0,\ 8\right)$  

•  $\left(2,\ 2\right)$  

John bought a new bag of cat food. The next day, he opened it to feed his cat. The graph shows how many ounces were left in the bag on the days after it was bought.

How many ounces of food were left in the bag 12 days after he bought it?

• 26 ounces

• 36 ounces

• 56 ounces

• it was empty

Tags

CCSS.HSF.LE.B.5

John bought a new bag of cat food. The next day, he opened it to feed his cat. The graph shows how many ounces were left in the bag on the days after it was bought.

How many days did it take for the bag to have only 16 ounces left?

• 30 days

• 34 days

• 24 days

• 56 days

Tags

CCSS.HSF.IF.B.4

What is the slope of the line that contains the points  $\left(5,\ -2\right)$   and  $\left(-1,\ 7\right)$  ?

•  $-\frac{3}{2}$  

•  $-\frac{2}{3}$  

•  $\frac{5}{4}$  

•  $\frac{6}{9}$  

Tags

CCSS.8.EE.B.5

What is the y-intercept of the equation  $y=-3x+4$  ?

•  $\left(4,\ 0\right)$  

•  $\left(0,\ 4\right)$  

•  $\left(-3,\ 0\right)$  

•  $\left(0,\ -3\right)$  

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Simplify the expression

• -4x+15

• -4x-9

• -4x-15

• -4x+9

Tags

CCSS.6.EE.A.3