Suppose y varies directly with x. If y = –20 when x = 2, find y when x = 14
2 answers:
Answer:
The right answer is -140
Step-by-step explanation:
Used It on a test and got a hundred
Answer:
y = -140
Step-by-step explanation:
Y varies directly with x
y = kx
We know y = -20 when x =2, we can solve for k
-20 = k*2
Divide each side by 2
-20/2= 2k/2
-10 =k
y = -10x
Now we want to find y when x = 14
y = -10 *14
y = -140
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