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09FMAT10_Test01 - Mathematics 10 Precalculus Exam I...

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Mathematics 10 Riverside Community College – NORCO Precalculus Fall 2009 In Class Part KEEP GOING Exam I Name____________________________ SID____________________________ Directions : Answer each question to the best of your ability. Remember that partial credit can only be given for correct work relevant to the problem. Each problem is worth 8 POINTS Please turn OFF your phone/pager and put it OUT OF VIEW. 1. Find the length and midpoint of the line segment connecting the two points ( ) 4 , 1 - - and ( ) 5 , 3 Length_________________ Midpoint_________________ 2. Find the center and radius of the circle with equation 25 10 4 2 2 - = - + + y x y x (Hint: complete the square) Center________________ Radius________________
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Mathematics 10 Riverside Community College – NORCO Precalculus Fall 2009 In Class Part KEEP GOING 3. Find the x-intercept(s) and y-intercept of the graph of the function ( ) 12 5 2 2 - - = x x x f x-intercept(s)______________ y-intercept______________ 4. Calculate the difference quotient ( ) ( ) - + h x f h x f for ( ) 3 2 2 - = x x f
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Mathematics 10 Riverside Community College – NORCO Precalculus Fall 2009 In Class Part KEEP GOING 5. Calculate the difference quotient ( ) ( )
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