Graded Quiz Unit 3 PDF

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Summary

The file includes the unit 3 graded quiz, college algebra, I wish everyone success....

Description

Question 1

Correct 3

2

Mark 1.00 out of 1.00

The graph of f(x) = x -6x + 4x +1 hits the x-axis how many times? Select one: a. 0 b. 1 c. 2 d. 3 e. 4

Your answer is correct. The correct answer is: 3

Question 2

Correct

Mark 1.00 out of 1.00 4

3

2

What are the possible rational roots of f(x) = 5x - 173x  -16x -7x -15, according to the rational root theorem? “+-“ means “plus or minus”. Select one: a. {+-1, +- 5} b. {+- 1, +- 3, +- 5, +- 15} c. {+- 1, +- 5, +- 1/3, +- 5/3, +- 1/5, +- 1/15} d. {+- 1/5, +- 3/5, +-1, +- 3, +- 5, +- 15} e. None of these

Your answer is correct. The correct answer is: {+- 1/5, +- 3/5, +-1, +- 3, +- 5, +- 15}

Question 3

Correct 8

Mark 1.00 out of 1.00 5

The remainder of x – 37x + 38x – 37 divided by x is: Select one: a. 37 b. 38 c. -38 d. -37 e. None of these

Your answer is correct. The correct answer is: -37

Question 4

Correct 3

Mark 1.00 out of 1.00 2

The quotient of 4x + 10x  − 6x − 20 by x + 2 is: Select one: 2

a. −4x − 2x +10 2

b. 4x + 2x -10 2

c. −4x + 2x −10 2

d. −4x + 2x +10 e. None of these

Your answer is correct. 2

The correct answer is: 4x + 2x -10

Question 5

Incorrect

Mark 0.00 out of 1.00 3

2

If I know a real root of f(x) = x  -6x + 11x – 6 is neither 1, even, or negative, a good guess would be? Select one: a. 0 b. 3 c. 6 d. 11 e. None of these

Your answer is incorrect. The correct answer is: 3

Question 6

Correct

Mark 1.00 out of 1.00

If A = 1 – i, B = 2 – i, C = 1 + i, and D = 2 + i then ABCD would be? Select one: a. 4 b. -4 c. 10 d. -10 e. None of these

Your answer is correct. The correct answer is: 10

Question 7

Correct

Mark 1.00 out of 1.00

8

What is f(x) = x - 1 divided by x - 1? Select one: 2

a. x + 1 2

b. x – 1 7

6

5

4

3

6

5

4

3

2

7

6

5

4

3

2

c. x + x + x + x + x + x + x + 1 d. x + x + x + x + x + x + 1 2

e. x + x + x + x + x + x + x

Your answer is correct. 7

6

5

4

3

2

The correct answer is: x + x + x + x + x + x + x + 1

Question 8 What is i

Incorrect

103

?

Select one: a. 1 b. -1 c. i d. -i e. None of these

Your answer is incorrect. The correct answer is: -i

Mark 0.00 out of 1.00

Question 9

Incorrect 5

Mark 0.00 out of 1.00 4

3

2

The graph of f(x) = 6x – 5x + 12x +8x +2x + 9 would have, at most, how many x-intercepts? Select one: a. 0 b. 2 c. 5 d. 6 e. 9

Your answer is incorrect. The correct answer is: 5

Question 10

Correct

Mark 1.00 out of 1.00

2

4

If A(x) = x – 1, B(x) = x + 1, C(x) = x + 1, and D(x) = x + 1 then A(x)B(x)C(x)D(x) is: Select one: a. x

8 8

b. -x

8

c. x - 1 8

d. x + 1 e. None of these

Your answer is correct. 8

The correct answer is: x - 1

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