Use the discriminant to determine the number of real solutions of the quadratic equation. 1. 9x2 +
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1. 9x2 + 12x + 4 = 0
2. x2 + 2x + 4 = 0
3. 2x2 − 5x + 5 = 0
4. −5x2 − 4x + 1 = 0
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1 9x 2 12x 4 0 b 2 4ac 12 2 494 0 One repeated real s...View the full answer
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