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
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