Download - Oct 22 Discriminant Solutions
Transcript
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For each of the following quadratics
1. Find the value of the discriminant.
2. Use the value to determine the nature of the roots.
3. Use to quadratic formula to find the exact value for the roots of each quadratic.
4. Draw a very rough sketch of what the quadratic might look like.
a) x2 x 12 = 0
b) x2 + 2x + 18 = 0
c) x2 x + 2 = 0
d) x2 + x 4 = 0
e) x2 6x + 9 = 0
f) x2 + 10x 25 = 0
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