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Algebra Unit Review

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Algebra Unit Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Yes, since when you plug in the values for x, you get the left side and the right side of the equation to be equivalent, this means the equation is an identity.

Yes, since when you distribute the x and the -1 on the left side of the equation you get equivalent expressions, this means the equation is an identity.

No, since when you distribute the x and the -1 on the left side of the equation you get two equations that are not equivalent, there the equation is not an identity.

What's an identity?

Tags

CCSS.6.EE.A.2C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does T(5) mean in this situation?

The time it takes to go 100 miles against a 5 mph current

The time is takes to go 5 miles against a 100 mph current

It takes 5 hours to go the 100 miles against a 5 mph current.

A boat rides sounds nice

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

At what value of c does the graph has a vertical asymptote? Explain how you know what this asymptote means in this situation?

12, if the current is going the same speed as the boat, the boat will not move

12, it means if speed of boat is 12 the current doesn't matter

100, it means the boat is going too fast

No vertical asymptote, division by zero is fun, all the cool kids are doing it

Tags

CCSS.HSF-IF.C.7D

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following inequalities matches the graph?

y ≤ 3/4x + 5

y ≥ 3/4x + 5

y < 3/4x + 5

y > 3/4x + 5

Tags

CCSS.HSA.REI.D.12

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which color is the solution region to this system of inequaliteis?

White

Blue

Purple

Red

Tags

CCSS.HSA.REI.D.12

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by elimination:
9x-4y=7

x-4y=-17

(-1,5)

(-7,5)

(7,5)

(3,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the slope-intercept form of a line?

Ax + By = C

y = mx + b

y - y1 = m(x - x1)

y = Ax + By

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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