Quiz about Algebra 2 Unit 3 Review

Question 1

Simplify (4x^-2y³)²/(2x⁴y⁸)

Accepted Answer

8/(x⁸y²)

Answer

2/(x⁸y²)

Answer

8/y2

Answer

8/(x⁶y²)

Question 2

Add or Subtract to Simplify:
(6b³ + 6 - b⁴) - (8b³ - 6b⁴ + 2)

Accepted Answer

5b⁴ - 2b³ + 4

Answer

4b⁴ - 2b³ + 7

Answer

b⁴ - 2b³ + 7

Answer

5b⁴ - 2b³ + 7

Question 3

(5x+2)(x²-3x+6)

Accepted Answer

5x³ - 13x² + 24x +12

Answer

5x³- 17x²+24x +12

Answer

5x³+ 17x² - 24x +12

Answer

5x³ +13x² - 24x - 12

Question 4

The length of each side of a cube is 2x-1 inches. What is the volume of the cube in cubic inches?

Accepted Answer

8x³ - 12x² + 6x - 1

Answer

8x3 - 1

Answer

4x² - 4x + 1

Answer

4x2 + 1

Question 5

Simplify: (6x² + 19x + 13) / (2x + 5)

Accepted Answer

3x + 2 + 3/(2x + 5)

Answer

3x + 2 + 23/(2x + 5)

Answer

3x + 17 - 72/(2x + 5)

Answer

3x + 17 + 97/(2x + 5)

Question 6

Question 6.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 7

Question 7.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 8

Question 8.

Accepted Answer

y = -(x - 2)(x + 1)²

Answer

y = ^_(x + 2)(x - 1)²

Answer

y = (x - 2)(x + 1)²

Answer

y = -x3

Question 9

How many real and imaginary zeros does this graph have?

Accepted Answer

2 real, 2 imaginary

Answer

2 imaginary

Answer

2 real, 1 imaginary

Answer

2 real

Question 10

Determine the maximum of y = x³ - 5x² + 4x - 1

Accepted Answer

(0.46, -0.12)

Answer

(0.5, 0)

Answer

(2.87, -7.06)

Answer

(4.08, 0)

Question 11

Determine the minimum of y = x³ - 5x² + 4x - 1

Accepted Answer

(2.87, -7.06)

Answer

(0.46, -0.12)

Answer

(3, -7)

Answer

(4.08, 0)

Question 12

Determine the zeros of y = x³ - 5x² + 4x - 1

Accepted Answer

4.08

Answer

0.46

Answer

4.08, 0.5

Answer

2.77

Question 13

Factor completely:
x³ + 3x² - 4x - 12

Accepted Answer

(x + 3) (x + 2)(x - 2)

Answer

(x + 3)(x² - 4)

Answer

(x² + 4) (x - 3)

Answer

(x² + 3)(x - 4)

Question 14

Factor completely: x⁴ + 2x² - 24

Accepted Answer

(x - 2)(x + 2)(x² + 6)

Answer

(x² + 6)(x² - 4)

Answer

(x² + 4)(x² - 6)

Answer

(x² - 3)(x² + 8)

Question 15

Find all the roots of y=x³-2x²+4x-8

Accepted Answer

2, 2i, -2i

Answer

-2, 2i, -2i

Answer

2,-2, 2i

Answer

1, 2i, 4

Question 16

Given a zero is 7 - 5i, what must another zero be?

Accepted Answer

7+5i

Answer

-7+5i

Answer

7-5i

Answer

-7-5i

Question 17

Write a cubic polynomial in standard form with roots 3 and 4i

Accepted Answer

x³-3x²+16x-48

Answer

x³-8x²-3x+52

Answer

x³+3x²+3x+1

Answer

x³+3x²-16x+48

Question 18

Given p(1) = 0, p(-5) = 0, and p(-3) = 0, which expression could be p(x)?

Accepted Answer

x³ +7x² +7x -15

Answer

x³ - 7x² +7x +15

Answer

x³ - 7x² +7x -15

Answer

x³ +7x² +7x +15

Algebra 2 Unit 3 Review

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