The Binomial Theorem — Unit test Answers
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Which statement about the simplified binomial expansion of (a + b2)n, where n is a positive integer, is true?
A
The exponent of b will always be even.B
The exponent of a will always be odd.C
The sum of the exponents of a and b will always equal n.D
The sum of the exponents of a and b will always equal n – 1.2
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The degree of the polynomial is 10. What is the value of k?
A
3B
5C
8D
103
What are the coefficients for the binomial expansion of (a + b)3?
A
1, 4, 6, 4, 1B
1, 1C
1, 2, 1D
1, 3, 3, 14
Logan saves the same amount of money each month for college. His current total savings is 300m2 + 120m + 180 dollars. Which factorization could represent the number of months and amount of a monthly deposit in dollars?
A
4m(75m2 + 30m +40)B
10m(30m2 + 12m +18)C
30(10m2 +4m + 60)D
60(5m2 +2m +3)5
The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?
A
3x3 + 18x2y + 36xy2 + 8y3B
27x3 + 54x2y + 18xy2 + 2y3C
27x3 + 18x2y + 12xy2 + 2y3D
27x3 + 54x2y + 36xy2 + 8y36
Which is a factor of 144 − 49x2?
A
12 - 7x2B
72 – 7x2C
12 – 7xD
72 + 7xDid you find these answers helpful?
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