Homework Quiz 8-MATH.10.HFS1

Homework Quiz 8

Question 1

Question text

Which one is not a polynomial?

Select one:

A.

20

B.

x²

C.

x^-2 + 4x³

D.

(x – 2)²

Question 2

Question text

What is the degree of -13x³ + 2x² – 8x – 6?

Select one:

A.

13

B.

3

C.

2

D.

1

Question 3

Question text

Compute (2x² – 6x + 7) + (3x³ – 3x).

Select one:

A.

5x⁵ – 9x + 7

B.

5x² – 3x + 7

C.

6x³ – 6x + 7

D.

3x³ + 2x² – 9x + 7

Question 4

Question text

Compute (12x³ – x² – x + 4/3) + (x³ + x² + x – 1/3).

Select one:

A.

11x³ – 2x² – 2x + 5/3

B.

13x³ – x² + x – 1/3

C.

13x³ – x² + 2x + 1

D.

13x³ + 1

Question 5

Question text

Compute (12x³ – x² – x + 4/3) – (x³ + x² + x – 1/3).

Select one:

A.

11x³ – 2x² – 2x + 5/3

B.

13x³ – x² + x – 1/3

C.

13x³ – x² + 2x + 1

D.

13x³ + 1

Question 6

Question text

Compute -3²(-2)³.

Select one:

A.

-72

B.

72

C.

-36

D.

36

Question 7

Question text

Compute (-4y²)³.

Select one:

A.

-4y⁵

B.

-4y⁶

C.

-64y⁶

D.

64y⁶

Question 8

Question text

Compute (-5x⁴)(4x⁵)

Select one:

A.

-20x⁹

B.

-20x²⁰

C.

-9x⁹

D.

-x⁹

Homework Quiz 8

Question 9

Question text

Compute 5x³(6x² – 2x + 3).

Select one:

A.

11x³ – 7x + 8

B.

30x³ -10x² + 15

C.

30x⁵ -10x⁴ + 15x³

D.

30x⁶ -10x⁵ + 15x⁴

Question 10

Question text

Compute (x + 3)(x + 4).

Select one:

A.

x² + 12x + 7

B.

2x² + 12x + 7

C.

x² + 7x + 12

D.

2x² + 7x + 12

Question 11

Question text

Compute (x + 3)(x – 4).

Select one:

A.

x² + 7x – 12

B.

x² + 7x + 12

C.

x² + x – 12

D.

x² – x – 12

Question 12

Question text

Compute (x² + 4)(x² – 4).

Select one:

A.

x⁴ + 16

B.

x⁴ – 16

C.

x⁴ + 8x² – 16

D.

x⁴ – 8x² + 16

Question 13

Question text

Compute [(1/4)x + 4][(3/4)x – 1].

Select one:

A.

(3/4)x² + x + 4

B.

(3/16)x² – x + 4

C.

(3/16)x² + (11/4)x – 4

D.

x² + x – 4

Question 14

Question text

Compute (5x + 4)².

Select one:

A.

25x² + 16

B.

10x² + 20x + 16

C.

10x² + 40x + 16

D.

25x² + 40x + 16

Question 15

Question text

Compute (x – 2)²(x + 2)².

Select one:

A.

x⁴ -16x² – 16

B.

x⁴ -8x² + 16

C.

x⁴ -16x² – 32

D.

x⁴ -4x² + 16

Question 16

Question text

Multiply. (-8x⁹)(-3x²).

Select one:

a.

-24x¹¹

b.

-24x¹⁸

c.

24x¹¹

d.

24x¹⁸

Question 17

Question text

Multiply. (4x⁵)(-9x⁴)

Select one:

a.

-36x²⁰

b.

36x⁹

c.

36x²⁰

d.

-36x⁹

Question 18

Question text

Compute. (5x⁶ + 9x⁵ – 3) + (7x⁶ + 9x⁵ + 4)

Select one:

a.

31x¹¹

b.

12x⁶ + 18x⁵ + 1

c.

4x⁶ + 14x⁵ + 13

d.

12 + 18x⁶ + 1x⁵

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Homework Quiz 8