Sec 6.4-Focus

# Sec 6.4-Focus - 4y 12 y 2 2y – 24 Adding and Subtracting...

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Adding and Subtracting Like Fractions page 6.4 - 11 Section 6.4 Focus Exercises 1. Add; simplify your result, if possible: a) 2y 7y + 5 7y b) 2x + 5 3x + 4x – 6 3x c) 3p p + 5 + 15 p + 5 d) 3w + 1 2w + 4 + w + 7 2w + 4 e) 2x – 6 x 2 – 4x + x – 6 x 2 – 4x f) 4m + 3 m 2 – 25 + 7 – 2m m 2 – 25 g) 2x + 5 x 2 + x – 6 + x + 4 x 2 + x – 6 h) y 2 – 3y y 2 – 3y – 28 + y 2 + 11y y 2 – 3y – 28 i) 2v 2 + 7v – 6 v 2 – 16 + v 2 + 5v + 6 v 2 – 16 j) 2x 2 + 12 x 2 – 2x – 8 + 8x – x 2 x 2 – 2x – 8

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Adding and Subtracting Like Fractions page 6.4 - 12 2. Subtract; simplify your result, if possible: a) y + 6 y – 5 1 y – 5 b) 2x + 3 2x + 4 x + 1 2x + 4 c) w 2 w – 3 9 w – 3 d) 3a + 5 a 2 – 4 a + 1 a 2 – 4 e) 4c + 1 c 2 – 3c 3c + 4 c 2 – 3c f) x 2 + 6 x 2 – 25 5x + 6 x 2 – 25 g) x 2 + x x 2 – 11x + 18 6x + 36 x 2 – 11x + 18 h) y 2 + 3y y 2 + 2y – 24
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Unformatted text preview: 4y + 12 y 2 + 2y – 24 Adding and Subtracting Like Fractions page 6.4 - 13 3. Rewrite each of these so that the negative is no longer in the denominator. Simplify. a) 8-9y b) 4p-(3p + 1) c)-5x-(2x – 7) d) x – 4-(x – 1) e) 3 – w-(w + 6) f)-3x – 1 -(2x + 1) 4. Add or subtract, as indicated. First, move any negative from the denominator into the numerator. Simplify if possible. a) 8 x + 4-x b) 1-3m + 4 3m c) 2x + 1 2x + 5- 2x d) 4x x + 3 + 3-(x + 3) e) x + 1- (x – 5) + 4x – 3 x – 5 f)- 5y- 2y – 7 2y g) x- 5x – - 2 5x h) c + 1- (c – 3) – 2 c – 3 i) y – 1 y + 4 – y + 9-(y + 4)...
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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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Sec 6.4-Focus - 4y 12 y 2 2y – 24 Adding and Subtracting...

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