Answers Mathematics III A Solving Polynomial Equations using Technology — Unit testQuestion 10

10

QuizMultiple Choice

Solving Polynomial Equations using Technology — Unit test

Question 10 • Mathematics III A

What are the solutions of the equation (x + 2)2 – 2(x + 2) – 15 = 0? Use u substitution to solve.

Answer

A

x = –7 and x = 1

B

x = –5 and x = 3

C

x = –3 and x = 5

D

x = –1 and x = 7

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