College Physics: Math Pretest (Part II)

General Questions
 What is the length of the unknown side of the right triangle illustrated in terms of p and q?
 1 -  -

 How many radians in 315˚ ?
 2 5p/611p/69p/77p/47p/8

 (9.1 ´ 10-3) - (-4.6 ´ 10-4) = ________.
 3 9.6 ´ 10-3 4.5 ´ 101 4.6 ´ 104 1.4 ´ 10-6 8.6 ´ 10-4

 = _______
 4 -1 -(x2 + 2xy + y2)/(x2 - y2) 4xy/(x2 - y2) -(x2 - 2xy + y2)/(x2 + y2) -(x - y)2

 Joe and Ron are painters. A certain job will require 21 hours if Joe works alone, but only 7 hours if Joe and Ron work together.  How long will it take Ron, working alone, to complete the job?
 5 4.5 hours8 hours10.5 hours14 hours15.5 hours

 cos 330˚ = ________.
 6 + cos 60˚- cos 60˚+ cos 30˚- cos 30˚none of the above

 (6.6 ´ 10-27) ´ (-1.8 ´ 1015) = ________.
 7 -1.2 ´ 10-11 4.8 ´ 10-12 1.2 ´ 10-13 -1.2 ´ 10-43-1.8 ´ 10-15

 Solve for x in the equation below, treating m, j, and d as constants: -mx2 - jx + d = 0
 8 (m ± ) / 2j (j ± ) / -2m (-m ± ) / 2d (-j ± ) / 2m (-d ± ) / -2m

 sin q = ________.
 9 a/cc/ab/ca/bb/a

 What are the values of x in the expression below?3x2 + 5ax - 2a2 = 0
 10 2a; 3a2a; -a/22a; -a/3a/3; -2a3a; a/2

 Solve for y in the following equations:2y - 5 = zy - 3z = -5
 11 12345

 = ________.
 12 x + y (xy3 + xz2) / z2y2 (xy + z2x2) z2y (x2y + zx) / (z2x + zy2 ) (y2 + z2) / z2y

 3.14 ´ 101 + 1.28 ´ 102 = ________.
 13 4.42 ´ 103 4.42 ´ 102 1.59 ´ 102 1.59 ´ 103 3.26 ´ 101

 tan q = ________.
 14 y/z x/y z/y x/z y/x

 = ________.
 15 () 2115

 -  = ________.
 16 3x/y (x2 + 3xy - y2)/xy -(x - y)2/xy 2x2 + y2 - 3xy 2 - y + x

 tan 190˚ = ________.
 17 tan 10˚- tan 10˚tan 80˚tan 80˚tan 10˚- tan 80˚ none of the above

 What is the (approximate) slope of the curve at x = 8?
 18 -0.4+1+2-0.6-1.6

 What is the value of r when x = 0 on the line that goes through the points (x = 12, r = 5) and (x = -6, r = -4).
 19 -124612

H T Hudson
T L O'Kuma

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