NC Math 3- End of Course Formula Quiz

Which expression best represents the “Hamburger Helper Hand” technique when converting from logarithmic to exponential form and vice versa?

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CCSS.HSF.BF.B.5

• A

• B

• C

• D

• E

• True

• False

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CCSS.HSF.TF.A.1

What is the formula to determine the segment lengths of two secant lines of the given picture?

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CCSS.HSG.C.A.2

What is the volume formula for the given 3D solid?

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CCSS.7.G.B.6

Complete the sentences with the correct word(s):

A tangent line in a circle intersects the circle at_____ point(s).

When a tangent line intersects when a radius of a circle, it forms a(n) __________ angle.

• three ; obutse

• one; acute

• one; right

• three; acute

What is the formula to find the margin of error (MOE) with a 95% confidence interval? Note: "s" = sample standard deviation and "n" = sample size.

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CCSS.HSS.IC.B.4

The given expressions a³ + b³ = (a + b)(a² − ab+b²) and a³ − b³ = (a−b)(a² + ab+b²) represents which factoring concept?

• sum and difference of cubes

• sum and difference of squares

• 1. multiplication and division of cubes

• 1. division of squares

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CCSS.HSA.APR.C.4

Which triangle center involves a circle being on the outside of the triangle and when find this triangle center on a right triangle, it is the midpoint of the hypotenuse?

• centroid

• orthocenter

• incenter

• circumcenter

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CCSS.HSG.C.A.3

What formula represents density of a POPULATION?

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CCSS.HSA.CED.A.1