Use a graphing utility and x−intercepts to verify any of the real solutions that you obtained for three of the quadratic equations in Exercise 1–10.
x2 + 8x + 15 = 0
x2 + 8x + 12 = 0
x2 + 5x + 3 = 0
x2 + 5x + 2 = 0
3x2 − 3x − 4 = 0
5x2 + x − 2 = 0
3x2 = 6x − 1
x2 − 6x + 10 = 0
x2 − 2x + 17 = 0
Exercise 1
x2 + 8x + 15 = 0
Exercise 2
x2 + 8x + 12 = 0
Exercise 3
x2 + 5x + 3 = 0
Exercise 4
x2 + 5x + 2 = 0
Exercise 5
3x2 − 3x − 4 = 0
Exercise 6
5x2 + x − 2 = 0
Exercise 7
4x2 = 2x + 7
Exercise 8
3x2 = 6x − 1
Exercise 9
x2 − 6x + 10 = 0
Exercise 10
x2 − 2x + 17 = 0
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