lesson19outline

lesson19outline - MA 153 Lesson 19 Outline Quiz...

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MA 153 Lesson 19 Outline Quiz Solutions (Practice problems for distance learning students) 1. Find the intercept for the following equation: x 3 yx =− () 9,0 03 3 9; x x x = = 2. Find the center and the radius of the circle given by the equation: 22 642 xy xy 0 + +−−= 6 ___ 4 ___ 2 ___ ___ 69 442 9 4 32 1 5 xx yy xx yy xy ++ +−+ =+ + ++ +−+=+ + ++−= Center : ( ; radius = ) 3, 2 15 Hint: The standard equation of a circle is: ( ) ( ) 2 x hy kr +− = Answering of homework questions over lesson 18. Lesson 19 Section 3.3 Lines (con’t) Review: 21 x x = m Slope = (1) 11 yy m −= (2) ym xb =+ b represents the y -intercept ( ) 0, b General form: ax by c += a, b, and c are integers (no fractions) a ” is positive
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Example: Find a general form for the perpendicular bisector of AB if ( )( 4, 1 and 2,7 AB −− ) Example: Find the slope-intercept form of the equation: y 1 1 1 2 m =
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Example: A machine, which is 4 years old, has a value of $875.
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lesson19outline - MA 153 Lesson 19 Outline Quiz...

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