If y varies directly as x and if x = -6when y = 2 how do you find x when y = -9, -8,-6, -5, -4, -3?

1 Answer
Jul 1, 2015

y=-9 rarr x=-17
y=-8 rarr x=-16
y=-6 rarr x=-14
y=-5 rarr x=-13
y=-4 rarr x=-12
y=-3 rarr x=-11

Explanation:

If y varies directly as x, then when x is increased or decreased by a number n, so will be y.

If y=2 when x=-6 then:

y=-9=2-11 rarr x=-6-11=-17
y=-8=2-10 rarr x=-6-10=-16
y=-6=2-8 rarr x=-6-8=-14
y=-5=2-7 rarr x=-6-7=-13
y=-4=2-6 rarr x=-6-6=-12
y=-3=2-5 rarr x=-6-5=-11