Chapter 10  Objective 6.1  Exercises

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Graph.

1.   y =  x² - 1



>2.   y =  x² - 3 x



>3.   y =  x² + 3 x



>4.   y =  x² +  x - 2



>5.   y = - x² + 3 x - 2



>Find the  x-intercepts of the parabola.

6.   y =  x² - 2 x - 2

7.   y = - x² - 3 x - 4

8.   y =  x² - 4 x - 21

Use the discriminant to determine the number of  x-intercepts of the parabola.

9.   y =  x² + x + 2

10.   y =  x² - 6 x + 9

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