# [Recommended]MAT 222 Week 4 DQ 1

MAT 222 Week 4 DQ 1 Ashford 5: – Week 4 – Discussion 1 Your initial discussion thread is due on Day 3 (Thursday) and…

MAT 222 Week 4 DQ 1
Ashford 5: – Week 4 – Discussion 1
Your initial discussion thread is due on Day 3 (Thursday) and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses.
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. Please complete the following problems according to your assigned number. (Instructors will assign each student their number.)
Use FACTORING to solve:
Use the QUADRATIC FORMULA to solve:
1
x2 + 9x + 20 = 0
2 on p. 646
2
x2 + 11x + 30 = 0
4 on p. 646
3
6×2 + 7x – 20 = 0
6 on p. 646
4
x2 + 3x + 2 = 0
8 on p. 646
5
x2 + 7x + 12 = 0
10 on p. 646
6
x2 – 9x + 14 = 0
12 on p. 646
7
x2 + 6x – 27 = 0
14 on p. 636
8
x2 – 2y – 24 = 0
16 on p. 636
9
x2 + 3x – 18 = 0
18 on p. 636
10
2×2 + x – 1 = 0
20 on p. 636
11
2×2 – x – 3 = 0
22 on p. 637
12
x2 – x = 0
24 on p. 637
13
x2 + x – 42 = 0
44 on p. 637
14
x2 + x – 20 = 0
46 on p. 636
15
x2 + 5x = 0
48 on p. 637
16
2×2 + 5x – 3 = 0
50 on p. 637
17
3×2 – 10x + 7 = 0
52 on p. 637
18
x3 – 9x = 0
54 on p. 647
19
25x – x3 = 0
56 on p. 647
20
2×2 + 2x – 24 = 0
58 on p. 647
21
x2 – x – 6 = 0
2 on p. 658
22
x2 + 6x + 8 = 0
4 on p. 658
23
x2 + 2x – 15 = 0
6 on p. 658
24
x2 – 2x – 15 = 0
8 on p. 658
25
2×2 – x – 3 = 0
10 on p. 658
26
6×2 – x – 15 = 0
2 on p. 680
27
x2 + 14x + 49 = 0
4 on p. 680
28
x2 – 6x + 9 = 0
6 on p. 680
29
x2 – 16 = 0
8 on p. 680
30
4×2 – 25 = 0
10 on p. 680
31
x2 + 10x + 21 = 0
12 on p. 680
32
x2 – 6x – 7 = 0
14 on p. 680
33
x2 + x – 2 = 0
16 on p. 680
34
x2 – 4x – 12 = 0
18 on p. 680
35
x2 –10x + 25 = 0
20 on p. 680
36
x2 + 6x + 5 = 0
22 on p. 680
37
3×2 – x – 24 = 0
24 on p. 680
38
3×2 – 6x – 24 = 0
26 on p. 680
39
x2 + 9x + 18 = 0
28 on p. 680
40
2×2 – x – 15 = 0
30 on p. 680
41
x2 – 7x + 12 = 0
2×2 – 3x + 1 = 0
42
25×2 – 20x + 4 = 0
16×2 + 1 = 8x
43
x2 + 5x + 6 = 0
3×2 – 10x + 8 = 0
44
x2 – 6x + 5 = 0
3×2 + x – 2 = 0
45
x(x – 5) = 0
2×2 – 7x + 5 = 0
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 the Inserting Math Symbols handout for 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.
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.
Carefully review the Grading Rubric for the criteria that will be used to evaluate your discussion.

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