1. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
42. Conic Sections, Circles, Constants in Exponential Functions
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2. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
Defn: A circle is the locus of all points in a plane that are
equidistant from a point called the center of the circle.
Standard form: x2 + y2 = r2
General form: x2 + y2 ­ r2 = 0
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3. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
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4. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
1. Find the standard form of the equation of a circle whose center is at (h, k) and whose radius is r.
(x, y)
r
(h, k)
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5. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
2. Find the standard form of the equation of a circle of radius 4 whose center is at (­3, 3).
Then write the general form of the equation.
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6. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
Exponential Functions ­ the base is a constant and the exponent is a variable.
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7. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
­x
3. Sketch the graph of y = 3 .
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8. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
4. Sketch the graph of the function.
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9. 42. Conic Sections, Circles, Constants in Exponential Functions.notebook February 01, 2013
5. Sketch the graph of the function.
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