Answer:

Step-by-step explanation:





X^1/2 or x to the 1/2 power
Answer:
Step-by-step explanation:
y = k*x This is the formula for a direct variation.
- y = 20
- x = 4 Substitute these values into the direct variation
20 = 4 * k Divide by 4
20/4 = 4k/4
k = 5
Answer: the constant of variation is 5
Answer:
d because then you can solve for y then use your answer to find x