The Quadratic Formula Answers

The Quadratic Formula Answers - 3. Solve the quadratic...

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Quadratic Formula Focus Exercises Answers 1. Rewrite each of the quadratic equations in the standard form 2 , 0 ax bx c a + + ; then identify the constants a, b & c. a. 2 3 2 x - = b. 2 2 5 + = a=1 b=-3 c=-2 a=1 b=-5 c=2 c. 2 2 6 = + d. 2 6 3 2 - = - - a=2 b=-1 c=6 a=6 b=-3 c=-2 e. (2 1)( 3) 2 6 + + = + f. 35 1 4 = - a=2 b=5 c=-3 a=4 b=-4 c=-35 2. Solve the quadratic equations by using the quadratic formula. a. 2 4 1 0 - - = b. 2 3 1 0 - + = x 2 5 = ± = ± 3 5 x 2 ± = c. 2 2 1 - + = - d. 2 5 3 2 0 + - = 1 x , 1 2 = - 2 x , 1 5 = -
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e. 2 9 3 x = f. 2 4 81 0 - = 1 x ,0 3 = 3 3 x , 2 2 = - g. 2 4 10 0 - = h. ( 5)( 1) 3 + - = - 10 10 x , 2 2 = - - x 2 2 = - ±
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Unformatted text preview: 3. Solve the quadratic equations using any method. (Factoring or the quadratic formula) a. 2 2 7 3 + + = b. 2 5 4--= 1 x 3, 2 = - -4 x , 1 5 =--c. 2 3 7 1-+ = d. 2 2 2 1-- = 7 37 x 6 = 1 3 x 2 =...
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This note was uploaded on 01/13/2012 for the course MATH 52 taught by Professor Janetfrewing during the Fall '10 term at Riverside Community College.

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The Quadratic Formula Answers - 3. Solve the quadratic...

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