Help me III. Solving. Show all necessary solutions neatly and systematically. Box your final answer.
A. Find the roots of the given quadratic equation using the indicated process.
11. x 64 = 0 (Extracting the Square)
12. x2 + 6x + 9 = 0 (Quadratic Formula)
B. Solve the discriminant of the given quadratic equations then describe the nature of the
roots.
13. x2 + 8x + 7 = 0
14. x2 - 4x - 3 - 0
C. Solve what is asked in the word problem below.
The length of a garden is 5m longer than its width and the area is
14m2. How long is the garden?
A. Find the roots of the given quadratic equation using the indicated process.
11. x 64 = 0 (Extracting the Square)
12. x2 + 6x + 9 = 0 (Quadratic Formula)
B. Solve the discriminant of the given quadratic equations then describe the nature of the
roots.
13. x2 + 8x + 7 = 0
14. x2 - 4x - 3 - 0
C. Solve what is asked in the word problem below.
The length of a garden is 5m longer than its width and the area is
14m2. How long is the garden?
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