How do you find x?do you use the same formula you would use to find y
Y ~~ 1/x^2 y = k/x^2
when y = 4 and x = 1 4 = 1/(1^2) * k so k = 4
y=4/x^2
25 = 4/x^2 x^2 = 4/25 x = 2/5
hmm i see but what about a)?
a)
EP 's first answer in red ⇒ y = 4 / x^2