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# worksheets2 - (a y = x and y = 3-x(b y = 2 x and 2 x y = 12...

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Algebra Review to Accompany Chapter 3 Problem 1 Solve the equation (a) 2 x - 5 = 4 x - 9 (b) 0 . 5 x - 3 = 7 (c) 5 3 ( y + 2) = 1 2 - y (d) 3 t - 2( t - 1) 3 = 4 (e) 2( r + 5) - 3 = 3( r - 8) + 21 (f) B - 4[ B - 3(1 - B )] = 42 (g) 1 . 06 s - 0 . 01(248 . 4 - s ) = 22 . 67 s Problem 2 Solve for the indicated variable. (a) l = l 0 + k 2 w , for w . (b) h = v 0 t + 1 2 at 2 , for a . (c) by - d = ay + c , for y . (d) S = rL - a r - 1 , for r . (e) 2 x - ( xy 0 + yy 0 ) + 2 yy 0 = 0, for y 0 Problem 3 Solve the systems of equations (a) x + y = 3 x - y = 5 (b) 3 x - 2 y = 6 y = 2 x - 5 (c) 2 x + 3 y = 7 y = - 3 5 x + 6 (d) 2( x + y ) = 3 x = y + 3( x - 5) Problem 4 Graph the functions and find the points of intersection

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Unformatted text preview: (a) y = x and y = 3-x (b) y = 2 x and 2 x + y = 12 1 Problem 5 Factor (a) x 2 + 3 x + 2 (b) x 2 + 2 x-3 (c) x 2 + 3 x-28 (d) 3 x 2-x-4 (e) u 2-2 u Problem 6 Complete the square (a) w 2 + 7 w (b) 2 r 2 + 20 r (c) 3 t 2 + 24 t-13 Problem 7 Solve the quadratric equations (a)-3 t 2 + 4 t + 9 = 0 (b) 3 y 2 = 6 y + 18 (c) v 2-4 v-9 = 0 2...
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