Number of x intercepts in this equation is 2 because max power in the function is 2. number of x intercepts is determined by "highest power".
let x1 represent first x intercept and
let x2 represent second x intercept
Formula for finding average of x intercepts is logicaly:
Avg = (x1 + x2)/2
we want to find x1 and x2
4x^2 - 24x + 20 = 0
x^2 - 6x + 5 = 0
x1 = 5
x2 = 1
Avg = 3
If you subtract 2 from both sides
It would be 4=-4x
So the answer is B
The diagram has been inserted below.
There is a circle.
Two chords, BC and DE intersect at a point F inside the circle.
A chord of a circle is a straight line segment whose endpoints both lie on the circle.
To know the chord length, we need to know the radius or central angle or the perpendicular distance to the center.
1 1/2
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