(8x2 + 8x) – (-9x2 + 8x)
2 answers:
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An example of quadratic equation with this behavior is:
Which is sketched at the end of this answer.
A quadratic equation has the format:
It's roots are given by:
The number of roots depends on the discriminant , that is:
- If
, it has two different real roots.
- If
, it has one real root.
- If
, it has no real roots.
In this problem, it will have only positive y-values if: and
Thus, an example is:
Which is sketched below.
A similar problem is given at brainly.com/question/19776811
