Quiz about Algebra 2 Review

Question 1

What do m, n, p and q equal in this scalar matrix multiplication?

Accepted Answer

m=15, n = -45, p=20, q=-5

Answer

m=8, n=9, p=-4, q=4

Answer

m=20, n=-5, p=15, q=-45

Answer

m=-5, n=20, p=-45, q=15

Question 2

Question 2.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 3

Find A+B

Accepted Answer

8 10 8 1

Answer

12 25 7 1

Answer

10 30 0 1

Answer

can't add two together because the rows dont match columns

Question 4

Question 4.

Accepted Answer

x = 25, y = -7

Answer

x = 14, y = 2.5

Answer

x = 25, y = 7

Answer

x = 3, y = -9.5

Question 5

Change to Exponential Form:
log₆36 = 2

Accepted Answer

62=36

Answer

26=36

Answer

362=6

Answer

366=2

Question 6

Add

Accepted Answer

11 8 -4 2

Answer

3 2 -6 -6

Answer

-3 2 -4 -6

Answer

10 8 -6 2

Question 7

The matrix A - B is

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 8

Question 8.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 9

Using the parent function $$y=\log_6x$$ what would the graph of $$y=\log_6x+9$$ look like?

Accepted Answer

Vertical shift 9 units up

Answer

Horizontal Shift to the right 9 units

Answer

Horizontal shift to the left 9 units

Answer

Vertical shift 9 units down

Question 10

Solve by factoring:
a²-9a+20=0

Accepted Answer

(a-5)(a-4)=0; a=5,4

Answer

(a+5)(a-4)=0; a=-5,4

Answer

(a-10)(a-2)=0; a=10,2

Answer

(a+5)(a+4)=0; a=-5,4

Question 11

Solve:
|k+4| = 12

Accepted Answer

8,-16

Answer

-6

Answer

8,-8

Answer

8

Question 12

Solve with substitution
y=4x+4
y=3x+5

Accepted Answer

(1,8)

Answer

(1,-8)

Answer

(-1,-8)

Answer

(8,1)

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