QUIZ #1 - MA 118 C. NELAN

QUIZ #1 - MA 118 C. NELAN - MATTHEW ALONGI, MA 118 Quiz 1...

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MATTHEW ALONGI, MA 118 Quiz 1 PROFESSOR NELAN .1) Simplify: 2 3 7 3 7 4 ) 7 ( ) 3 ( y x y x Answer: 1323x 26 y 27 2) Simplify: 5 4 4 5 3 ) ( 8 ) 2 ( v u v u Answer: 2v 13 u 8 3) Write 3 1 x as x to some power ( x p ) Answer: x -1/3 4) Find the equation for the line passing through the point (3, -5) with slope -3 in slope-intercept form. Answer: y= -3x + 4 5) Find the equation for the line passing through the points (1,2) and (3,12) in slope-intercept form. Answer: y = 5x-3 6) Find the equation for the vertical line passing through the point (-2, 4.5). Answer: Vertical means infinite slope or slope does not exist, so x = -2 7) Assume that the number of cars in a parking lot at any time is a linear function of time. At 7:00 am, there are 121 cars in the lot and at 10:00 am there are 142 cars in the lot. How many cars will be in the lot at midnight? Answer : 240 cars 8, 9) Assume the value of a car is a linear function of time. One year after purchase the car is worth $12,700; three years after purchase the car is worth $10,500. 8) Write the value of the car as a function of
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This test prep was uploaded on 04/16/2008 for the course MA 118 taught by Professor Nelan during the Summer '07 term at Quinnipiac.

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QUIZ #1 - MA 118 C. NELAN - MATTHEW ALONGI, MA 118 Quiz 1...

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