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1. Solve using quadratic formula a) x^2 + 12x - 13 = 0
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Feb 21, 2018
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1. Solve using quadratic formula
a) x^2 + 12x - 13 = 0
Mathematics
high-school
Malikah
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Malikah
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Here we go!
The quadratic formula: x = [-b ± √(b2
- 4ac)]/2a
a = 1 (understood coefficient)
b = 12
c = -13
Okay, so here, we split into 2 problems. If 14 were positive:
If 14 were negative:
So,
Hilydrow
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Feb 27, 2018
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Hilydrow
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