By CGP Education

Ch 1: operating with actual Numbers.ch 2: unmarried variable Linear Equations.ch three: unmarried variable Linear Inequalities.ch four: Linear Equations and their Graphs.ch five: platforms of Equations.ch 6: Manipulating Polynomials.ch 7: Quadratic Equations and their Applications.ch eight: Rational Expression and services. 274 pages.

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Extra info for California Algebra 1: Homework Book

Example text

Evaluate the following: ⎛ 1⎞ a. −3(−4)⎜⎜⎜− ⎟⎟⎟ ⎝ 6⎠ b. 4 − 72 (4 − 7) 2 ---------------------------------------------------------------------------------- ---------------------------------------------------------------------------------- 4. Simplify the following: a. (18 – 6 · 3) + (2 – 6 · 3) -------------------------------------------------------- b. 3(14 · 2 – 7) – (4 + 9 · 5) -------------------------------------------------------- c. (–3)2 · 23 ÷ [ (–1)7 (11) – 4(–5)] + 42 – 18 -------------------------------------------------------- 5.

H2 c. (rt)2 Solution a. ±7 b. ±h c. ±rt Example Find the principal and minor square root of 16 a 2 . 45b 2 c 2 Every expression has both a positive (principal) and a negative (minor) square root. Solution 2 ± 2 16 a 16 a 4a =± =± 2 2 2 2 45b c 3 5bc 9 5 b c © 2007 CGP Inc. 2. Use the “±” symbol to give the principal and minor square root for each of the following. a. 361 ----------------------- b. (5r)2 ----------------------- c. 4 × 4 × 4 × 4 ----------------------- d. 25n2 ----------------------- 4 e.

9 – (–16) -------------------------------------------------------------------------------------- b. 16 – 13 -------------------------------------------------------------------------------------- c. 15 – (–17) -------------------------------------------------------------------------------------- 2 1 d. − − 3 2 -------------------------------------------------------------------------------------- 4. Rewrite each of the following as a division: a. –15(4) ---------------------------- CGP Education Algebra I — Homework Book 6 ⎛⎜ 2 ⎞⎟ b.