Page 178 - Math Course 3 (Book 2)
P. 178
Circles: Equations
Write an equation for each circle.
7. a circle with center at (8, 4) and a radius with endpoint (0, 4)
8. a circle with center at (–2, –7) and a radius with endpoint (0, 7)
9. a circle with center at (–3, 9) and a radius with endpoint (1, 9)
10. a circle whose diameter has endpoints (–3, 0) and (3, 0)
Graph each equation.
11. x² + y² = 16 12. . (x – 1)² + ( y – 4)² = 9
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