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# y varies directly as x. If x = -6 then y = 10. Find y when x = 6.

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y varies directly as x. If x = -6 then y = 10. Find y when x = 6.

Plz help i hvae a time limit on a math test

Feb 11, 2021
edited by CatcherGuy77  Feb 11, 2021

### Best Answer

#1
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Please don't cheat on your test.

I am just going to give you a few hints:

If y varies directly with x, then $$y=kx$$, where k is a constant. Set x = -6 and y = -10 to solve for k:

$$10 = -6 \cdot k\\k=-\frac{5}{3}$$

Knowing what k is, plug it back to $$y=kx$$, and plug 6 for x, and solve for y. You can figure this out; I believe in you!

Feb 11, 2021

### 1+0 Answers

#1
+1
Best Answer

Please don't cheat on your test.

I am just going to give you a few hints:

If y varies directly with x, then $$y=kx$$, where k is a constant. Set x = -6 and y = -10 to solve for k:

$$10 = -6 \cdot k\\k=-\frac{5}{3}$$

Knowing what k is, plug it back to $$y=kx$$, and plug 6 for x, and solve for y. You can figure this out; I believe in you!

textot Feb 11, 2021