Factor completely.
-$$y ^ { 2 } - 100$$
A) $( y + 100 ) ( y - 100 )$
B) $( y + 10 ) ( y - 10 )$
C) $( \mathrm { y } - 10 ) ( \mathrm { y } - 10 )$
D) $\left( y ^ { 2 } + 10 \right) \left( y ^ { 2 } - 10 \right)$

Name: Factor completely. -\[y ^ { 2 } - 100\] A) $( y + 100 ) ( y - 100 )$ B) $( y + 10 ) ( y - 10 )$ C) $( \mathrm { y } - 10 ) ( \mathrm { y } - 10 )$ D) $\left( y ^ { 2 } + 10 \right) \left( y ^ { 2 } - 10 \right)$
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Question

Quizplus · Accepted Answer

This is a difference of squares, factored as $(y + 10)(y - 10)$.

Factor Completely y2−100y ^ { 2 } - 100y2−100 A) (y+100)(y−100)( y + 100 ) ( y - 100 )(y+100)(y−100)

Factor Completely $y ^ { 2 } - 100$ A) $( y + 100 ) ( y - 100 )$