Question 35 Answer and Explanation _ACT April 2019 Form B04 Math Section

Question 35 Answer and Explanation _ACT April 2019 Form B04 Math Section

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35. Which of the following are linear factors of krx² + (kn + rm)x + mn , a general quadratic expression in x ?

A. (kx - m) and (rx - n)

B. (kx - m) and (rx + n)

C. (kx + m) and (rx - n)

D. (kx + m) and (rx + n)

E. (kx - n) and (rx - m)

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

Cross multiplication rule