Sec 1.9-Focus

# Sec 1.9-Focus - = l 2w 0w = Algebraic Expressions page 1.9...

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Algebraic Expressions page 1.9 - 17 Section 1.9 Focus Exercises 1. Given the term identify the coefficient and the variable cluster. Term Coefficient Variable Cluster Term Coefficient Variable Cluster a) - 5p 4 q 3 b) - 2w c) 3 4 x y 2 d) x 2 e) - x 0 f) - 9 2. Identify the terms in each algebraic expression. Separate them by a comma on the line below the expression. a) - 6x 3 + 4x 1 b) x 2 – 5x + 8 c) 2x 5 3x 4 5 4 x + 12 d) 7x 3 – 6x 2 y + xy 2 – 4y 3 3. Simplify each expression by combining like terms. If the terms are not like terms, then write “cannot combine.” a) 4b 3 + 3b 3 = b) - b 6b = c) - 2y + 2y = d) - y y = e) n + (- 5n) = f) 7n 3 4n = g) - 6h (- 3h) = h) 2h 2 5h 2 = i) - 8x 3 r + 4x 3 r = j) 3v 6p = k) 4p + (- 4p)

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Unformatted text preview: = l)- 2w + 0w = Algebraic Expressions page 1.9 - 18 4. Multiply and write the product as one term. a) (7k)(6k) = b)- 3(8c) = c) (2p)(- 14p) = d) (- 9x)(- x) = e) 8c(- 6) = f) (- 4m)(3k) = g)- 7(- 8x 4 ) = h) x(- 2) = i) (6n)(- 5) = j) y(- y) = k)- c(c) = l) (- x)(- x) = m) 2y(- 5) = n)- 6c(5) = o) (- 4x)(- 5) = 5. Apply the distributive property to each expression. a) 5(7x – 8) b) 8(1 – 2v) c) (9m – 5)6 d) 3(8x – 7y) e)- 6(5x + 8) f)- 7(y – 4) g)- 5(- 3 + 7w) h)- 2(- 8p – 9d) i) x(x + 4) j) 2y(3y – 10) k)- 3a(a + 1) l)- 4y(y 3 – 7y) m)- 5m(7m + 1) n)- 1(9m – 6x) o)- k(- 5k – 6) p)- 7p(- p + 3)...
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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 1.9-Focus - = l 2w 0w = Algebraic Expressions page 1.9...

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