Which quadratic function best fits this data?
1 answer:
The data has a peak at x=5, so we expect it to be modeled with a parabola that opens downward. That is the x² coefficient will be negative.
For x=1, the third choice gives a better approximation to (x, y) = (1, 32) than does the first choice. It is appropriate to choose
... y = -11.41x²+154.42x-143.9
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The quadratic regression function of a graphing calculator confirms this choice.
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If you would put the original segment i might be able to help you. I am really good at math.
Another answer would be 140 ones
I would say that it might be B, or C, by looking at it a bit more
Answer: 48 feet
Step-by-step explanation:
X=3y+5 → x-3y=5 ..(1)
x-4y=3 ..(2)
→The second <span>equation we must multiplication by (-1)
→x-3y=5
→-x+4y=-3
x's is lost..
4y-3y=5-3
y=2
x-3.2=5
x=5+6=11</span>