Answers Algebraic Reasoning Writing Linear Functions — TestQuestion 8

8

QuizMultiple Choice

Writing Linear Functions — Test

Question 8 • Algebraic Reasoning

Which equation represents a nonlinear function?

Answer

A

3 y plus 6 times open paren 2 minus x close paren is equal to 5

B

2 times open paren y plus x close paren is equal to 0

C

x times open paren y minus 5 close paren is equal to 2

D

y minus 2 times open paren x plus 9 close paren is equal to 0

Explanation

Choice C expands to xy − 5x = 2. The product xy contains two variables multiplied together, so the equation is nonlinear. The other choices simplify to equations where x and y appear only to the first power and are not multiplied together.

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