3 points define a parabola, so the regression will be unique. You want to find a quadratic polynomial such that
where the system above is generated by setting , , and .
Since , we have
So the regression for the given data points is .
7
quart of red paint with
6
7
blue paint to make purple paint.
1
1
7
1
7
1
7
1
7
1
7
1
7
1
7
How much purple paint did the painter make?
The painter made quart of purple paint.
A. 15%
D. 110%
C. 8%
Answer:
C. 8%
Step-by-step explanation:
Because everyone can get divided by 5 equally besides 8