Write an equation of the direct variation that includes the given point (-8, -4)
Direct variation is y= kx for some constant k
Find k using the point (-8,-4)
y=kx
(-4)=k(-8) substitution
-4/-8=k(-8/-8) division property
1/2=k
equation of direct variation is y=1/2k
The solution is x=6 and y=5
Answer:
x + x/2 + x-1.25=4.75
Step-by-step explanation:
binder is x
folder is x/2
higlighter is x-1.25
Answer:
6(5)+(2)5
Step-by-step explanation:
Answer:
42.95x + 21.95y
Step-by-step explanation: