Unit Test — Unit test Answers
25 verified answers
21
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What is the quotient of (x3 – 3x2 + 3x – 2) ÷ (x2 – x + 1)?
A
x – 2B
x + 2C
x – 4D
x + 122
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Which expression represents the sixth term in the binomial expansion of (5y + 3)10?
A
10C5(5y)5(3)5B
10C6(5y)4(3)6C
510C5(y)5(3)5D
510C6(y)4(3)623
What is the factored form of ?
A
mc023-2.jpg
B
mc023-3.jpg
C
mc023-4.jpg
D
mc023-5.jpg
24
Which statement about the simplified binomial expansion of (a – b)n, where a, b and n are positive integers, is true?
A
All terms of the expansion are positive.B
All terms in the expansion are negative.C
The first term in the expansion is positive.D
The first term in the expansion is negative.25
The graphs of two polynomial equations do not intersect. Kelly concludes that the system has no solution. Which statement best explains why Kelly’s reasoning is correct or incorrect?
A
She is incorrect because systems may have only complex solutions which are not visible on a graph.B
She is incorrect because the solutions may have multiplicity greater than 1.C
She is correct because all solutions are intersection points of the graphs.D
She is correct because the solutions are irrational.Did you find these answers helpful?
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