Question 20 PLEASE HELP Tell whether the equation: -x+4y=-5 represents a direct variation

Question

asked Apr 24, 2021 214k views

1 Answer

Alex Moore · Answer 1 · 2021-04-30T03:40:55+0000

Answer:

no, it does not

Explanation:

Hello

-x+4y=-5

so

$4y = x-5\\<=> y=(1)/(4)x-(5)/(4)$

we say that y varies directly with x if y=kx

in this example we have an additional constant, the graph is not a line through the origin so this is not a direct variation

hope this helps