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It/236 Week 1 Dqs 1& 2

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Discussion Question 1 Post your response to the following: What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your classmates to translate.

An algebraic expression consists of algebraic terms in a phrase. The algebraic expression includes variables, constants, and operating symbols. Operating symbols include addition, subtraction, division, and multiplication. The expression does not contain an equal sign; and therefore a variable cannot be solved for in an expression.

Example 5x+10y+5xy+10 An algebraic equation consists of two mathematical expressions that have a valid solution that are joined by an equal sign. In most case, an equation contains one or more variables to represent an unknown quantity. A variable can be solved for in an algebraic equation. Example Jane has $20. She wants to buy an outfit that cost $60. How much more money will Jane need to buy the outfit?

Discussion Question 2 Post your response to the following: What are the steps of the order of operations? Why is it important that you follow the steps rather than solve the problem from left to right? Write an expression for your classmates to simplify using at least three of the following: o Groupings (parenthesis, brackets, or braces) o Exponents o Multiplication or division o Addition or subtraction

To start out the order of operations, one must first complete anything in the parentheses. If there are brackets within parentheses, you would do those computations first and move outward. Next is to simplify the expressions. Then do multiplication and division from left to right and then do the same with addition and subtraction. If not done in this order then

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