{"id":6241,"date":"2017-05-01T23:59:20","date_gmt":"2017-05-01T23:59:20","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/prealgebra\/?post_type=chapter&p=6241"},"modified":"2019-05-24T17:41:39","modified_gmt":"2019-05-24T17:41:39","slug":"evaluate-simplify-and-translate-expressions","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/csn-prealgebra\/chapter\/evaluate-simplify-and-translate-expressions\/","title":{"raw":"Introduction to Evaluating, Simplifying, and Translating Algebraic Expressions","rendered":"Introduction to Evaluating, Simplifying, and Translating Algebraic Expressions"},"content":{"raw":"

What you'll learn to do: Evaluate, simplify, and translate algebraic expressions<\/h2>\r\n\"A<\/a>\r\n\r\n \r\n\r\nHave you ever had to fill out a tax form when starting a new job or filing your tax return at the end of the year? It can be a puzzling task, with lots of instructions such as \"enter the sum of line 20 and line 32 into line 33\" or \"enter the difference between line 8 and line 9 into line 10.\" The form might be telling you to do simple addition or subtraction, but it's not always obvious due to the wording used. In this section, you'll learn how to untangle algebraic expressions by identifying and combining like terms and translating words and phrases into familiar operations.\r\n\r\nBefore you get started in this module, try a few practice problems and review\u00a0prior\u00a0concepts.\r\n
\r\n

readiness quiz<\/h3>\r\n1)\r\n\r\n[ohm_question]144735[\/ohm_question]\r\n\r\nIf you missed this problem, review this example:\r\n
\r\n\r\nDetermine if each is an expression or an equation:\r\n
    \r\n \t
  1. [latex]16 - 6=10[\/latex]<\/li>\r\n \t
  2. [latex]4\\cdot 2+1[\/latex]<\/li>\r\n \t
  3. [latex]x\\div 25[\/latex]<\/li>\r\n \t
  4. [latex]y+8=40[\/latex]<\/li>\r\n<\/ol>\r\n[reveal-answer q=\"698546\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"698546\"]\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    1. [latex]16 - 6=10[\/latex]<\/td>\r\nThis is an equation\u2014two expressions are connected with an equal sign.<\/td>\r\n<\/tr>\r\n
    2. [latex]4\\cdot 2+1[\/latex]<\/td>\r\nThis is an expression\u2014no equal sign.<\/td>\r\n<\/tr>\r\n
    3. [latex]x\\div 25[\/latex]<\/td>\r\nThis is an expression\u2014no equal sign.<\/td>\r\n<\/tr>\r\n
    4. [latex]y+8=40[\/latex]<\/td>\r\nThis is an equation\u2014two expressions are connected with an equal sign.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n[\/hidden-answer]\r\n\r\n<\/div>\r\n2)\r\n\r\n[ohm_question]144745[\/ohm_question]\r\n\r\nIf you missed this problem, review this example:\r\n
    Simplify: [latex]{3}^{4}[\/latex].\r\n[reveal-answer q=\"41374\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"41374\"]\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    <\/td>\r\n[latex]{3}^{4}[\/latex]<\/td>\r\n<\/tr>\r\n
    Expand the expression.<\/td>\r\n[latex]3\\cdot 3\\cdot 3\\cdot 3[\/latex]<\/td>\r\n<\/tr>\r\n
    Multiply left to right.<\/td>\r\n[latex]9\\cdot 3\\cdot 3[\/latex]<\/td>\r\n<\/tr>\r\n
    <\/td>\r\n[latex]27\\cdot 3[\/latex]<\/td>\r\n<\/tr>\r\n
    Multiply.<\/td>\r\n[latex]81[\/latex]<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n[\/hidden-answer]\r\n\r\n<\/div>\r\n3)\r\n\r\n[ohm_question]144748[\/ohm_question]\r\n\r\nIf you missed this problem, review the video below.\r\nhttps:\/\/youtu.be\/qFUvF5-w9o0\r\n\r\n<\/div>","rendered":"

    What you’ll learn to do: Evaluate, simplify, and translate algebraic expressions<\/h2>\n

    \"A<\/a><\/p>\n

     <\/p>\n

    Have you ever had to fill out a tax form when starting a new job or filing your tax return at the end of the year? It can be a puzzling task, with lots of instructions such as “enter the sum of line 20 and line 32 into line 33” or “enter the difference between line 8 and line 9 into line 10.” The form might be telling you to do simple addition or subtraction, but it’s not always obvious due to the wording used. In this section, you’ll learn how to untangle algebraic expressions by identifying and combining like terms and translating words and phrases into familiar operations.<\/p>\n

    Before you get started in this module, try a few practice problems and review\u00a0prior\u00a0concepts.<\/p>\n

    \n

    readiness quiz<\/h3>\n

    1)<\/p>\n