Question

X Y. Determine whether y varies directly with x If so find the constant vartion k and write the equation

5 25
10 50
15 70
•
A. Yes; k=2 y=2x
•
B. Yes; k=4 y=4x
•
C. Yes; k=5 y=5x
O
D. no

Answer 1

6.4 = k*4

k = 6.4 / 4

k = 1.60

11.2 = k * 7

k = 11.2 / 7

k = 1.60

16 = k * 10

k = 16/10

k = 1.60

20.8 = k * 13

k = 20.8/13

k = 1.60

Explanation:

hope this helps! so sorry if it doesn't try not to stress over school please<3