Solve the quadratic equation y2 - 5y = -4 by factoring.
A. {-2, 2}
B. {2, 2}
C. {-1, 4}
D. {4, 1}

The answer is D. {4, 1}

Expert answered|melfundayy|Points 30|

Question

Asked 5/8/2013 11:27:40 AM

Updated 7/5/2014 4:08:15 PM

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y^2 - 5y = -4;

y^2 - 5y + 4 = 0;

(y - 1)(y - 4) = 0;

(y - 1) = 0 or (y - 4) = 0;

y = 1 or y = 4

the solution set is (4, 1)

y^2 - 5y + 4 = 0;

(y - 1)(y - 4) = 0;

(y - 1) = 0 or (y - 4) = 0;

y = 1 or y = 4

the solution set is (4, 1)

Added 7/5/2014 4:08:15 PM

This answer has been confirmed as correct and helpful.

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