Question

Direct Variations....

Answer 1

If y varies directly as x, what is the value of y in these ordered pairs?
(4, 16) and (2, y)

Answer 2

Y=?

Answer 3

y = kx
when x = 4 y=16
16 = 4k
k = 4

so y = 4k
suubstitute x = 2 in this to get y

Answer 4

witcon can you finish it for me?

Answer 5

sorry i should have written y =4x on last but one line not y=4k

so when x = 2 y = 4*2 = 8

y=8 is the answer

Answer 6

@cwrw238 thanks

Answer 7

yw