Fill in the blank with a number to make the expression a perfect square
w^2 - 16w + __
1 answer:
Answer:
64
Step-by-step explanation:
so in order to make a perfect square two times the square root of w^2 + square root of constant needs to equal the middle term, -16 (COEFFICIENTS ONLY)
so
2(x)=-16
x=-8
(-8)^2= 64
hence 64 is the blank
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