What are all of the real roots of the following polynomial?
f(x) = x5 + 5x4 - 5x3 - 25x2 + 4x + 20

A.
-5, -2, and 2
B.
-3, -2, -1, 1, and 2
C.
-2, -1, 1, and 2
D.
-5, -2, -1, 1, and 2
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Identifying Polynomial Factors and Graphing Zeros: Mastery Test
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Triangle knm is what is true about the sides of knm

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

An of a of 60. a of 36 is . isbe ?to .