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Precalc ch 7 s2 final review

Mathematics

9th - 12th Grade

CCSS covered

Used 3+ times

Precalc ch 7 s2 final review
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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find: B*A

47     30
9     5
17     15
42     35
10     25
7     1
not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Find the Inverse

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3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the inverse of the following matrix?

⌈4 −3⌉

⌊12 3⌋

⌈1∕16 1∕16⌉

⌊−⁶∕₁₉ ²∕₁₉⌋

⌈⁴∕48 −³∕48⌉

⌊¹²∕48 ³∕48⌋

⌈²∕₁₉ −³∕48⌉

⌊−⁶∕₁₉ ³∕48⌋

⌈³∕48 ³∕38⌉

⌊−¹²∕48 ⁴∕48⌋

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Simplify. 

A
B
C
D

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When two lines have the same slope and the same y-intercept...

The system is inconsistent
The system is consistent independent
The lines are parallel to each other and never meet
The system is consistent dependent

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When two lines end up being the same line which statement is FALSE

The system is inconsistent
The lines have the same slope
The lines have the same y-intercept
All of the points in the line are a solution to the system

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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What step should be next?

Mult. R3 by 0
Add R2 to R3
 Mult. R2 by 7 and add to R3
 Mult. R2 by -7 and add to R3

Tags

CCSS.8.EE.C.8B

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