Question

y
is directly proportional to
x squared
.
If
y
=
12
when
x
=
2
find
y
when
x
=
6

Answer 1

Answer:

y = 108

Step-by-step explanation:

So, if x = 2, y = 12. That means x² × 3 = y because 2² = 4 × 3 = 12 = y! So, we can plug in 6 for x into our formula x² × 3 = y to get 6² × 3 = y. We can simplify this to get 36 × 3 = y. We can further simplify this to get 108 = y. So, when x = 6, y = 108!

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