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Summer Assignment + R Quiz Review Fri Sept 12 Do Now Simplify the complex rational expression

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Summer Assignment Review

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R Quiz Tomorrow Short quiz – 8 problems, 40 points 20 min R1: Interval notation, absolute value R4: Factoring R5: Rational Expressions

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Closure Pick one of the sections we’ve learned so far. Write a short explanation of that topic. Quiz tomorrow

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1.1 Distance Formula and Circles The distance formula is used to find the distance between 2 points. It is derived from the Pythagorean Theorem (finding the hypotenuse) Given any two points (x1, y1) and (x2, y2),

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Ex Find the distance between (-2,2) and (3,-6)

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Circles A circle is the set of all points in a plane that are a fixed distance R from a center (h, k) The equation of a circle with center (h,k) and radius r, in standard form, is

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Ex1 Find an equation of the circle with radius 5 and center (3, -7)

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Ex 2 Graph the circle

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Closure Graph the circle HW: p.70 #39-47 odds, 51, odds

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