Algebra II – Unit 5 PreTest Name: Period_____ Parent Graphs: 1. 2. Describe the transformation of y Sketch the graphs: y 2 x 4 1 y 1 4 x 1 1 x 1 4 4 to y 8 x 6 5 *_________________________ *_________________________ *_________________________ *_________________________ Graph 1 3. Write a system of equations that represents the graph 1 Graph 2 4. Write the exact equation of the graph 2. Functions: 6. If f ( x) 4 (8 3x) , g ( x) 2 x 2 3x 10 a) find f (2) . Show all work. 7. (Alg 2 Stand. 24.0) b) find x if g ( x) 4 . Show all work. Solution:_______________ Solution:_______________ Find the domain and range: 8. Is {(5, -1), (8, 5), (2, 1), (5, 1)} a function? Explain. Domain: _________ Function: (Circle) Yes No Range:_________ Why? __________________________________ _______________________________________ Factoring: 16. Factor completely. (CA Alg. 2 Standards 4.0) a) 15k 2 13k 2 b) 81x 3 1029 y 3 ________________ __________________ c) 21a 28b 6ac 8bc __________________ Absolute Value 11. Solve for x. Show all work. Leave your answer as a fraction (no decimals!). (CA Alg. 2 Standard 12.0) a) 6 4 x 1 4 14 b) 4 3x 2 3 15 Solution:_______________ Solution:_______________ 12. Which inequality(s) could to be added to |2x-3| ? -3 if we wanted to make the solution No Solution? Be sure to justify your answer. Inequality Sign: (Circle) > < = Reason: ____________________________________________________________________ Systems: 9. What is the solution to the following system of equations: (CA Alg. 2 Standards 2.0) 5 x 3 y 6 z 4 3x y 5 z 5 Solution:________________ 4 x 2 y z 13 10. Find the equation of the parabola that passes through the points: (0,1), (2,11), and (-1,8). (CA Alg. 2 Standards 2.0) Solution:________________ Quadratics: 13. Find the vertex form of y 3x 2 12 x 8 . Then state the vertex. Equation: ________________ Vertex:_____ 14. Travis wants to kick a soccer ball into the goal which is 40 ft away. If the ball follows a parabolic arc and reaches a maximum height of 8 ft. Find the equation of the parabola that represents the path of the ball. Equation:____________________________ Rational Expressions: 15. Simplify each expression. State excluded values. n 2 36 k 3 k 2 5k 24 a. b. k 7 9k 72 5n 2 22n 48 ______________________ c. ________________________ x2 7 4 x2 4 d. x2 b3 7 b2 b4 _________________________ ___________________________ Variable Exponents: 17. Simplify: 3 2 x 6 y 2 b. 2 9 14 x y ________________ a. (𝑥 7 𝑦 0 𝑧 7 )3 _______________ 18. Solve for x: a. 5 7 x 2 125 b. 1 x 8 27 _______________ 3 ________________ 8 d. 13x 3 36 x 5 e. 9 1 ________________ ______________________ 3 c. 7 6 x 4 28 _________________