Mathematics, 23.05.2020 02:06 imstressed
1. State the number and type (rational/irrational) of real solutions by using only the discriminant.
Justify your answer. (2 points each)
a. 2x? – x + 5 = 0
b. 3x2 = 5x + 12
2. Solve the quadratic equation, if possible, by using the quadratic formula. Write your answer in
simplest terms. (4 points)
7x2 + 10x - 1 = 0
Answers: 2
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