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Pre-Calculus 11 Ms. Lee Ch. 8 & 9 Page 1 of 3 Ch. 8 & 9 Assignment First Name: ______________________ Last Name: ________________________ Block: _____ 1. Solve the system of equations graphically and algebraically. 0 4 6 3 2 x x y 0 4 3 x y 13 6 2 x x y 14 12 2 2 x x y

Ch. 8 & 9 Assignment AnsKey - WordPress.com · Pre-Calculus 11 Ms. Lee Ch. 8 & 9 Page 3 of 3 4. Determine the solutions to each inequality. a) x2 x 2 0 b) x2 4x 5 c) x2 3x 2 5. Determine

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Page 1: Ch. 8 & 9 Assignment AnsKey - WordPress.com · Pre-Calculus 11 Ms. Lee Ch. 8 & 9 Page 3 of 3 4. Determine the solutions to each inequality. a) x2 x 2 0 b) x2 4x 5 c) x2 3x 2 5. Determine

Pre-Calculus 11 Ms. Lee Ch. 8 & 9

Page 1 of 3

Ch. 8 & 9 Assignment

First Name: ______________________ Last Name: ________________________ Block: _____ 1. Solve the system of equations graphically and algebraically.

0463 2 xxy 043 xy

1362 xxy

14122 2 xxy

Page 2: Ch. 8 & 9 Assignment AnsKey - WordPress.com · Pre-Calculus 11 Ms. Lee Ch. 8 & 9 Page 3 of 3 4. Determine the solutions to each inequality. a) x2 x 2 0 b) x2 4x 5 c) x2 3x 2 5. Determine

Pre-Calculus 11 Ms. Lee Ch. 8 & 9

Page 2 of 3

2. Two numbers have a sum of 17. The square of the first number plus 5 equals the second number. What are the two numbers?

3. Graph each inequality 23 xy

54 yx

2

3

2

1

4

3 yx

2054 yx

Page 3: Ch. 8 & 9 Assignment AnsKey - WordPress.com · Pre-Calculus 11 Ms. Lee Ch. 8 & 9 Page 3 of 3 4. Determine the solutions to each inequality. a) x2 x 2 0 b) x2 4x 5 c) x2 3x 2 5. Determine

Pre-Calculus 11 Ms. Lee Ch. 8 & 9

Page 3 of 3

4. Determine the solutions to each inequality.

a) 022 xx

b) 542 xx

c) 232 xx

5. Determine two numbers whose sum is 30 and whose product is at least 200.

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