CHAPTER 11  Objective 6.1  Exercises

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Find the vertex and axis of symmetry of the parabola. Then sketch its graph.

1.   y =  x² -  x - 2



>2.   y =  x² + 2 x - 3



>3.   y = - x² + 2 x + 4



>4.  Find the equation of the circle that passes through point (–2,–3) and whose center is (2,–3). Then sketch its graph.



>Write the equation of the circle in standard form. Then sketch its graph.

5.   x² +  y² – 4 x – 6 y + 4 = 0



>6.   x² +  y² – 6 x + 2 y + 6 = 0



Sketch a graph of the ellipse.

7.  



>8.  



9.  



>Sketch a graph of the hyperbola.

10.  





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