CBA #8 Practice Test

Which expression is equivalent to

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CCSS.HSA.APR.A.1

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CCSS.HSA.APR.A.1

A circle has a radius of 6x⁹y⁵ cm. The area of a circle can be found using A = πr². What is the area of this circle in square centimeters?

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CCSS.8.EE.A.1

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Tags

CCSS.HSA.APR.D.7

The expression (x³)(x^-17) is equivalent to xⁿ. What is the value of n? _______

Tags

CCSS.HSA.APR.A.1

• √91

• 5√7

• 6√7

• 13√7

Which of the following is equivalent to the expression 5√3 - √27?

• -8√3

• -2√3

• 2√3

• 8√3

The first six terms in a geometric sequence are shown, where a₁ = - 4.

-4 -16 -64 -256 -1,024 -4,096 . . .

Based on this information, which equation can be used to find the n^th term in the sequence, a_n ?

• a_n = – 4n

• a_n = – (4)ⁿ

• a_n = – n²

• a_n = (– 4)ⁿ

Tags

CCSS.HSF.BF.A.2

A sequence can be generated by using a_n = 4a_(n-1), where a₁= 6 and n is a whole number greater than 1. What are the first four terms in the sequence?

• 6, 24, 96, 384

• 6, 10, 14, 18

• 6, 20, 100, 500

• 6, 20, 76, 300

Tags

CCSS.HSF.BF.A.2