Formulas for the Midterm exam (1).docx

Formulas for the Midterm exam (1).docx - Formulas for the...

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Formulas for the Midterm exam Hallmark University Math 1314 – College Algebra Quadratic equation : a ac b b x c bx ax 2 4 , 0 2 2 Distance between two points: ) , ( ), , ( 2 2 1 1 y x Q y x P 2 2 1 2 2 1 ) ( ) ( y y x x d Slope : Run Rise x x y y m 1 2 1 2 If 0 m - increasing line; if 0 m - decreasing line; if 0 m - horizontal line; if DNE m - vertical line Equation of line : (Slope-intercept form) b mx y , is b slope is m , y-intercept (Standard form) C By Ax Equation of a Horizontal line: b y Equation of a Vertical line: a x Equation of circle with Center (0, 0): 2 2 2 r y x Equation of circle with Center (h,

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