Q30 of 134 Page 4


Using factorization, find the roots of the quadratic equation: y 2-8y+16= 0.


y 2 - 8y + 16 = 0
y 2 - 4y – 4y + 16 = 0
y(y – 4) – 4(y – 4) = 0
(y - 4)(y - 4) = 0
y = 4 or y = 4.

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