Sulpcegu5e ppt 1_5

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Section 1.5

Circles

OBJECTIVE 1

Write the standard form of the equation of the circle with radius 4 and center (– 5, 2).

OBJECTIVE 2

2 2Graph the equation: 5 2 16x y

2 2For the circle 5 2 16,

find the intercepts, if any, of its graph.

x y

OBJECTIVE 3

2 2

Graph the equation

10 4 13 0x y x y

Find the general equation of the circle whose center is (– 2, 3) and whose graph contains the point (1, 4).