Compute the discriminant of each equation in Exercises 83-90. What does the discriminant indicate about the number and type of solutions? 83. x - 4x - 5 = 0 85. 2x - 11x + 3 = 0 87. x = 2x - 1 89. x? - 3x - 7 = 0 84. 4x? – 2x + 3 = 0 86. 2x? + 11x - 6 = 0 = 2x - 1 90. 3x + 4x- 2 = 0 88. 3x2

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