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Algebra 2 Chapter 5 Review Sophomore Davis Section 1: Graphing Quadratic Functions and Quadratic Inequalities Graph each of the quadratic functions. Write each equation in vertex form, state the vertex, axis of symmetry, and x-intercepts of each graph. (3 pts for each function) 1. 1 ( 1)( 5) 3 y x x Vertex Form: _____________________ Vertex: ______________ Axis of Symmetry: ______________ x-intercepts: ______________ 2. 2 2 8 5 y x x Vertex Form: _____________________ Vertex: ______________ Axis of Symmetry: ______________ x-intercepts: ______________ 3. 2 ( 3) 1 y x Vertex Form: _____________________ Vertex: ______________ Axis of Symmetry: ______________ x-intercepts: _____________

Algebra 2 Chapter 5 Review Sophomore

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Page 1: Algebra 2 Chapter 5 Review Sophomore

Algebra 2 Chapter 5 Review Sophomore Davis

Section 1: Graphing Quadratic Functions and Quadratic Inequalities

Graph each of the quadratic functions. Write each equation in vertex form, state the vertex, axis

of symmetry, and x-intercepts of each graph. (3 pts for each function)

1. 1

( 1)( 5)3

y x x

Vertex Form: _____________________

Vertex: ______________

Axis of Symmetry: ______________

x-intercepts: ______________

2. 22 8 5y x x

Vertex Form: _____________________

Vertex: ______________

Axis of Symmetry: ______________

x-intercepts: ______________

3. 2( 3) 1y x

Vertex Form: _____________________

Vertex: ______________

Axis of Symmetry: ______________

x-intercepts: _____________

Page 2: Algebra 2 Chapter 5 Review Sophomore

Section 2: Zero Product Property

Solve the quadratic equation by factoring. (3 points each)

4. 33 108 0x x

5. 29 6 1x x

6. 24 15 28x x

Section 3: Simplifying Expressions

Simplify the expression. Write any complex numbers in standard form.

(2 points each)

7. 72

8. 8 4 162

9. 98

3

10. 7 9 8i

11. (7 9 ) (11 13 )i i

12. 9

3 i

Page 3: Algebra 2 Chapter 5 Review Sophomore

Algebra 2 Chapter 5 Review Sophomore Davis

Section 4: Finding Zeros

Determine the value(s) of the zero(s) of each function. (3 points each)

13. 2 8 3y x x

14. 213 42y x x

Section 5: The Discriminant

Determine the value of the discriminant of the equation and state the number and type of

solutions of the equation. (3 points each)

15. 27 10 0x x

Discriminant = _______________

Number and Type of Solutions: __________________

16. 2 8 5 0x x

Discriminant = _______________

Number and Type of Solutions: __________________

17. 22 18 13 0x x

Discriminant = _______________

Number and Type of Solutions: __________________

Section 6: Solving Quadratic Equations

Solve the quadratic equation using any method. Show all work!! (3 points each)

18. 25 60 180 0x x

Page 4: Algebra 2 Chapter 5 Review Sophomore

19. 2 25 6 7 4x x x x

20. 23( 9) 81x

21. 25 22 13x

Section 7: Powers of i

Evaluate the expression. The only degree of i allowed in any expression is 1. (2 pts)

22. 23 2 375 14 4i i i

23. 23,479i

24. 2 415 4i i

Section 8: Grab Bag Answer each question completely. Be sure to show all work.

There will also be one word problem and one mystery problem.

Study the following extra problems from the book:

p.254 #51, 52, 53; p.262 #101; p.268 #71, 73; p.288 #90, 91

p.316 #33-35