In Problems 7378, use the discriminant to determine whether each quadratic equation has two unequal real solutions,
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In Problems 73–78, use the discriminant to determine whether each quadratic equation has two unequal real solutions, a repeated real solution (a double root), or no real solution, without solving the equation.
2x2 - 3x - 7 = 0
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2x3x70 a2 b 3 c 7 b ...View the full answer
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