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}
g
Question
Updated 7/5/2014 4:08:15 PM
Rating
3
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)

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