Chapter Test CHAPTER 10

Chapter Test CHAPTER 10 - ChapterTest QuadraticRelations...

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Chapter Test Quadratic Relations Results of the quiz. 1. Find the equation of a hyperbola with a = 452 and c = 765. Assume that the transverse axis is horizontal. CORRECT: = 1 2. Write the equation of an ellipse with center (–2, –4), horizontal major axis length 16, and minor axis length 6. CORRECT: 3. Use the center and the radius of ( x + 3) 2 + ( y + 4) 2 = 9 to graph the circle. CORRECT: center ( –3, –4), radius 3 4. Find the center and radius of ( x – 6) 2 + ( y – 8) 2 = 25. CORRECT: (6, 8); 5 5. Identify the equation of the graph. CORRECT: + = 1 6. Find the foci for the ellipse 18 x 2 + 36 y 2 = 648. Then graph the ellipse.
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CORRECT: foci (±3 , 0) 7. Which equation describes a hyperbola? INCORRECT: –4 x 2 + 8 x – 8 y 2 + 5 y = 1 CORRECT: –3 y 2 + 8 y + 4 x 2 + 2 x – 4 = 0 8. Write an equation of an ellipse with foci (0, ±12) and vertices (0, ±15). Graph the equation. CORRECT:
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Chapter Test CHAPTER 10 - ChapterTest QuadraticRelations...

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