Asked by Tijjani
The quantity y is partly constant and partly varies as the square of x.
a. Write down the relationship between X and Y.
b. When x =1,y=11 and when x=2,y=5. Find the value of y when x=4
a. Write down the relationship between X and Y.
b. When x =1,y=11 and when x=2,y=5. Find the value of y when x=4
Answers
Answered by
oobleck
y = mx^2 + b
now plug in your numbers
m+b = 11
4m+b = 5
subtract to get
3m = -6
m = -2
so b = 13
when x=4,
y = -2*4^2 + 13 = -19
now plug in your numbers
m+b = 11
4m+b = 5
subtract to get
3m = -6
m = -2
so b = 13
when x=4,
y = -2*4^2 + 13 = -19
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.