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
Answer:
2.50x+80>4.00
Step-by-step explanation:
8 pounds. Because you'll need 4 pounds to make 10 apple pies, 6 pounds to make 15 apple pies, and 8 pounds to make 20 apple pies.
Answer:

Step-by-step explanation:
Given
4
- 10
+ 7
( add the coefficients of the terms )
= (4 - 10 + 7) 
= 1
= 