Question

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Answer 1

something varies INVERSELY to whatever else, means
something = 1/whatever
so y varying inversely to "x" will be
y = (SOMENUMBER)/x

n = SOMENUMBER

y = n/x

Answer 2

so, what's "n"?
well, we know that when y = 1, x = -2, so
\(\bf \large y = \frac{n}{x} \implies (1) = \frac{n}{(-2)}\\
n = (1)\times (-2)\)

Answer 3

so n = -2
so, what's the value of "y" when the x-value is -1.?

well \(\bf \large y = \frac{n}{x} \implies y = \frac{n}{(-1)}\)

Answer 4

2? @jdoe0001

Answer 5

y = -2/-1 => 2 :)