Question

Please help me!!

1. In the equation y = 25x, what is the constant of variation?


A. 25
B. 1/25
C. Zero
D. Undefined


2. In the equation of y = 25x, the number 25 also represents what?


A Rate of change
B the y - intercept
C the x-intercept

In the equation y = -4x, what is the constant of variation?

A. 4
B. zero
C. -4
D. undefined

4. The value of y varies directly with x and the constant of variation is 5. What is the value of x when y = 100? *
25
95
4
20


5. The value of y varies directly with x and the constant of variation is 13. What is the value of y when x = 6? *
A. 78
B. 2.16
C. 0.46
D. zero


The height of a stack of boxes varies directly with the number of boxes. A stack of 10 boxes is the 20 feet high. How tall is a stack of 18 boxes? *
9 feet
5 feet
36 feet
40 feet

Perry's pay is in direct variation to the hours she works. Perry earns $84 for 14 hours. How much will she earn for 24 hours? *
A. $ 144
B. $120
C. $2, 016
D. $336
Submit

Answer 1

1. Since the equation can be written in the form y=kx y = k x , y varies directly with x and k . The constant of variation, y , is 5 .

Explanation:

Answer 2

1. 25

2. Rate of Change

3. zero

4. 20

5. 2.16

6. 36ft

7. $144

Hope this helps

I dont know if all of these are right if not let me know