Polynomial Expressions — Test Answers

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22
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The expression 40 x squared minus 65 x plus 50 represents the sum of the interior angles of a regular pentagon in degrees. If the interior angles of the pentagon are equal, which expression represents the measure of two angles?

A
5 times open paren 3 x squared minus 8 x plus 5 close paren
B
5 x squared open paren 8 x squared minus 13 x plus 10 close paren
C
2 times open paren 8 x squared minus 13 x plus 10 close paren
D
2 x squared open paren 20 minus 32 x plus 25 x squared close paren
24

Which terms could have a greatest common factor of 5 m squared n squared ? Choose two correct answers.

A
m to the 5th power n to the 5th power
B
10 m to the 4th power n
C
15 m squared n squared
D
24 m cubed n to the 4th power
E
5 m to the 4th power n cubed

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