DETERMINANTS Quiz: 10 Practice Questions (Grade 12)

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

1. Let A be a square matrix of order 3 $\times$ 3. Then $\left|kA\right|$ is equal to

$k^2\left|A\right|$

$k^{3^{ }}\left|A\right|$

$3k\left|A\right|$

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2

3

4

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSA.REI.C.9

4.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

1

0

a + b + c

3abc

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0

1

-1

$\frac{\sqrt{3}}{2}$

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

33

11

$\frac{1}{11}$

None of the above

Tags

CCSS.HSA.REI.C.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

$k\ =\ -\frac{4}{3}$

$k\ =\ -\frac{3}{4}$

$k\ \ne-\frac{4}{3}$

$k\ \ne\ -\frac{3}{4}$

Tags

CCSS.HSA.REI.C.9

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$k\ =\ \frac{8}{3}$

$k\ =\ -\frac{8}{3}$

$k\ \ne\frac{8}{3}$

$k\ \ne-\frac{8}{3}$

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A is a square matrix

A = (-1) I, where I is identity matrix

$A^{-1}\ does\ not\ exist$

$A^2\ =I,\ were\ I\ is\ identity\ matrix\$

Tags

CCSS.HSN.VM.C.10

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DETERMINANTS

1. Let A be a square matrix of order 3 ×\times× 3. Then ∣kA∣\left|kA\right|∣kA∣ is equal to

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1. Let A be a square matrix of order 3 $\times$ 3. Then $\left|kA\right|$ is equal to