C. For each of the following exercises, y varies directly as x. Find the value as indicated
1) If y=6, when x-3, find y when x=9.
2) If y=10, when x=2, find y when x = 7.
3) If y=-20, when x = 5, find y when x = 3.
4) If y=4, when x=8, find y when x = 21.
5) If y=12, when x-3, find x when y=28.
6) If y=36, when x=-4, find x when y=-18.
7) If y=12, when x=72, find x when y=1/2
8) If y=-32, when x-4, find x when y=-56.
9) If y=8, when x=0.5, find y when x=0.3.
10) If y=-5/8 when x=-1/4, find x when y=-5/8
Answers & Comments
Step-by-step explanation:
1) 18
2) 35
3) -12
4) 52.5
5) 31
6) -2
7) 6
8) -8
9) 0.18
10) -0.125