Which expression is equivalent 121x^2-64y^2 ?
1 answer:
Would this be the correct answer? If not, can you further explain the question?(11x+8y)(11x-8y)
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need to kind K
Y=k x
1/x^2 = k/x^2
Find K
when y=4 & x=5
Y=k/x^2
=
4=k/5^2=
4=k/25
K=4*25
=100
When x
= 2
Y=100/2^2
Y=100/4
Y=25
