1. For the data table, does y vary directly with x? If it does, write equation for the direct variation.

Question

x|y 10|15 16|24 20|30
A. Yes; y=1.5x
B. Yes; y=2x **
C. Yes; y=x+5
D. No there is no direct variation.

2. For the data table, does y vary directly with x? If it does, write equation for the direct variation.
x|y 32|24 16|8 8|6
A. Yes; y=0.5x
B. Yes; y=2x
C. Yes; y=1.5x
D. No there is no direct variation. **

Thank you!

Answer 1

#1, yes it is, since 15/10 = 24/16 = 30/20 = 3/2 or 1.5
you had the wrong equation

#2 your are correct

Answer 2

#1 y=2x? I think not.
Does 15 = 2*10 ?

#2 correct

Answer 3

Sorry, I was looking at 24 mainly & got x2 for #1. Thank you!!

Answer 4

Does anyone have the answers from #1 to #24, "6.10.1 - Test: Linear Functions Unit Test"? Thanks!