HOMEWORK-mth12b-week2-chap7.pdf - Math 12B Week 2 Homework...

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Math 12B Week 2 Homework – Chapter 7 1 Student Name: ________________________________________ Show all work and your final answer. Answers only will not earn credit. If you just write the problem and final answer, that is not showing work. Clearly present all the steps and/or calculations done that lead to the final answer. Please make sure that your writing is DARK. Circle your final answer.Homework Template Form by: Y. Brobst, M.A., 2013 Source: Beginning Algebra, 8th edition by Aufmann & Lockwood7.1 #13. Add. Use a vertical format. (x2+7x) + (-3x2– 4x) +x2+ 7x -3x2– 4x -2x2+ 3x7.1 #18. Add. Use a vertical format.(x2+ x + 5) + (3x2– 10x + 4) x2+ x + 5 + 3x2– 10x + - 10x + 4 (x2 + 3x2) + (x + -10x) + (5 + 4) 4x2+ -9x + 9 7.1 #23. Add. Use a horizontal format.(Show work as in page 309 of book. Answers only will not earn credit.)
Math 12B Week 2 Homework – Chapter 7 2 Student Name: ________________________________________ Show all work and your final answer. Answers only will not earn credit. If you just write the problem and final answer, that is not showing work. Clearly present all the steps and/or calculations done that lead to the final answer. Please make sure that your writing is DARK. Circle your final answer.Homework Template Form by: Y. Brobst, M.A., 2013 Source: Beginning Algebra, 8th edition by Aufmann & Lockwood
Math 12B Week 2 Homework – Chapter 7 3 Student Name: ________________________________________ Show all work and your final answer. Answers only will not earn credit. If you just write the problem and final answer, that is not showing work. Clearly present all the steps and/or calculations done that lead to the final answer. Please make sure that your writing is DARK. Circle your final answer.Homework Template Form by: Y. Brobst, M.A., 2013 Source: Beginning Algebra, 8th edition by Aufmann & Lockwood(2xy)(-3x2y4) xm* xn= xm+n(2xy)(-3x2y4) = (2 *(-3))(x * x+)(y * y4) (2 *(-3))(x * x2)(y * y+) = -6(x2+1)(y4+1) -6x3y57.2 #26. Multiply.(Show work. Answers only will not earn credit.)(x2y3z)(x3y4) xm* xn= xm+n(x2y3z)(x3y4)=(x2* x3)(y3* y4)z (x2* x3)(y3* y4)z = (x2+3)(y3+4)z x5y7z 7.2 #63. Simplify.(a2)(3a2)3 (xm)n= xmn a2(3a2)= = (3)3(a2)3* a227(a2*3) * a227a6+227a87.2 #64.

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