999383
Description
Quiz by Harmony Richman, updated more than 1 year ago
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Created by Harmony Richman
about 10 years ago
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Question 1
Question
For real numbers a, b, and c, identify the property that is illustrated by (a + b)c = ac + bc.
Answer
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Distributive
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Associative
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Inverse
Question 2
Question
Factor: x^2 - 3x - 4
Answer
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(x + 1)(x - 4)
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(x - 1)(x + 4)
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(x - 2)(x + 2)
Question 3
Question
Factor: 4x^2 - 121
Answer
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(2x + 11)(2x + 11)
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(2x - 11)(2x + 11)
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(2x - 11)(2x - 11)
Question 4
Question
Factor: 6x^2 - 5x - 6
Answer
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(2x + 3)(3x - 2)
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(2x - 3)(3x + 2)
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(6x + 1)(x - 4)
Question 5
Answer
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3x^3 - 4x^2 - 4x + 2
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5x^5 - 4x^2 - 12
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3x^3 - 4x^2 - 4x - 12
Question 6
Question
Multiply: (3a + 7b)(2a - 9b)
Answer
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6a^2 + 13ab + 63b^2
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5a^2 - 13ab - 16b^2
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6a^2 - 13ab - 63b^2
Question 7
Question
Factor: 7x^2 + 34x - 5
Answer
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(3x + 5)(4x - 1)
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(7x - 1)(x + 5)
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(7x + 1)(x - 5)
Question 8
Question
Select all the appropriate answers:
Subtract: (4 - 3i) - (2 - 5i)
Answer
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Subtract the whole number parts.
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Subtract the complex number parts.
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Combine the whole number parts with the complex number parts.
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Simplified is: 2 + 2i
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Simplified is: 2 - 8i
Question 9
Question
To simplify the problem in the picture you will multiply the numerator and denominator by the conjugate of the denominator?
Image:
Capture.JPG (image/JPG)
Answer
- True
- False
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