## Math 222 Week 4 Discussion P38 (M or Z) and P48 (A or L) MS excel file

In this discussion, you will solve quadratic equations by two main methods: factoring and using the Quadratic Formula. Read the following instructions in order and view the example to complete this discussion:

• Find the problems assigned to you in the table below.
 If the third  letter of your last  name is On page 636, solve the following problem by factoring Solve the following problem by using the Quadratic Formula A or L 46 48 on p. 646 B or K 88 46 on p. 646 C or J 84 44 on p. 646 D or I 10 20 on p. 646 E or H 8 18 on p. 646 F or G 6 16 on p. 646 M or Z 38 48 on p. 636 N or Y 40 50 on p. 636 O or X 42 52 on p. 636 P or W 44 54 on p. 636 Q or V 80 56 on p. 637 R or U 2 78 on p. 637 S or T 4 82 on p. 637
• For the factoring problem, be sure you show all steps to the factoring and solving. Show a check of your solutions back into the original equation.
• For the Quadratic Formula problem, be sure that you use readable notation while you are working the computational steps. Refer to Inserting Math Symbolsfor guidance with formatting.
• Present your final solutions as decimal approximations carried out to the third decimal place. Due to the nature of these solutions, no check is required.
• Incorporate the following four math vocabulary words into your discussion. Use bold font to emphasize the words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):
• Quadratic formula
• Factoring
• Completing the square
• Discriminant

Your initial post should be at least 250 words in length. Support your claims with examples from required material(s) and/or other scholarly resources, and properly cite any references. Respond to at least two of your classmates’ posts by Day 7.

## Ashford 5: - Week 4 - Assignment

Real World Quadratic Functions

Read the following instructions to complete this assignment:

1. Solve problem 56 on pages 666-667 ofElementary and Intermediate Algebra.

2. Write a two- to three-page paper (not including the title page) that is formatted in APA style and according to theMath Writing Guide. Format your math work as shown in theexample, and be concise in your reasoning. In the body of your essay, do the following:

• Refer to the graph you sketched for problem 56. Describe the basic shape of the graph and where it is located in the Cartesian plane. Describe what the graph represents.

• Demonstrate your solution for both the number of clerks that will maximize the profit as well as the total maximum profit possible, making sure to include all mathematical work and an explanation for each step.

• Analyze why this information is important for managers to know, and explain what could happen if the ideal conditions were not met.

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