1. For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X: 16, 32, 48 Y: 4, 16, 36

2. Write an equation for the line that is parallel to the given line and passes through the given point. Y=5x+10; (2,14)

3. Write an equation for the line that is perpendicular to the given line and passes through the given point. Y-2=7/3 (x+5); (-4,9)

8 answers

Aye, you did actually come back! I'm lucky that you're back so soon. I'll check your answers and see how you did.

Answer choices for 1:
Yes; y=2x
Yes; y=4x
Yes; y=8x
No
Answer choices for 2:
Y=1/5x+4
Y=1/5x-4
Y=5x-68
Y=5x+4
Answer choices for 3:
Y-9=-3/7 (x-4)
Y-9=3/7 (x-4)
Y-9=-3/7 (x+4)
Y-9=3/7 (x+4)

And what were your answers?

D, D, C?

Am I right?

correct on all three.

Ah, I was way too slow to answer, but that's fine. I agree with bob! :) (i was dealing with my own problem a couple problems below) ^^;

Thanks you!