Algebra
posted by joshua .
Write a direct variation equation that relates x to y. Then solve. Show both the equation and the solution. If y = 8 when x = 4, find y when x = 5.

y=mx
8=m*4 or m=2 then
y=2x
y=2*5=10
posted by joshua .
Write a direct variation equation that relates x to y. Then solve. Show both the equation and the solution. If y = 8 when x = 4, find y when x = 5.
y=mx
8=m*4 or m=2 then
y=2x
y=2*5=10