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Algebra Unit 2

Authored by Barbara White

Mathematics

9th Grade

CCSS covered

Algebra Unit 2
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26 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

3x=453x=45  

5x=755x=75  

5(x+30)=455\left(x+30\right)=45  

5(x+6)=455\left(x+6\right)=45  

Tags

CCSS.8.EE.C.7A

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Select ALL equations that have the same solution as 2x−5=152x-5=15  

2x=102x=10  

2x=202x=20  

2(x−5)=152\left(x-5\right)=15  

2x−20=02x-20=0  

4x−10=304x-10=30  

Tags

CCSS.8.EE.C.7A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the equation 2x+4y=1542x+4y=154  , solve for x

x=2y+77x=2y+77  

x=−2y+77x=-2y+77  

x=−2x+46x=-2x+46  

x=2y+46x=2y+46  

Tags

CCSS.6.EE.C.9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the equation  2x+4y=1542x+4y=154  , solve for y

y=2x+38.5y=2x+38.5  

y=−2x+38.5y=-2x+38.5  

y=−12x+38.5y=-\frac{1}{2}x+38.5  

y=12x+38.5y=\frac{1}{2}x+38.5  

Tags

CCSS.6.EE.C.9

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select ALL points that are solutions to the equation

4x+3y=244x+3y=24  

(6, 0)\left(6,\ 0\right)  

(0,5)\left(0,5\right)  

(3,4)\left(3,4\right)  

(0, 8)\left(0,\ 8\right)  

(2, 2)\left(2,\ 2\right)  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

V=πr2hV=\pi r^2h  gives the volume, VV  , of a cylinder, where rr   is the radius and hh   is the height.
Which equation allows us to easily find the height?

r2h=Vπr^2h=\frac{V}{\pi}  

h=V−πr2h=V-\pi r^2  

h=Vπr2h=\frac{V}{\pi r^2}  

πh=Vr2\pi h=\frac{V}{r^2}  

Tags

CCSS.HSA.CED.A.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

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