Name________________________________ Date__________ Period__________ Algebra 2 – Test Chapter 5 (Part 1) 5-1 to 5-5 1. Write the equation of the parabola in vertex form. a. ________________________________ b. ______________________________ 6 6 5 5 4 4 3 3 2 2 1 -4 1 -3 -2 -1 1 2 3 4 -1 -6 -5 -4 -3 -2 -1 -2 1 2 3 4 5 6 -3 -1 Sketch a graph of the parabola with the given vertex through the given point. 2. vertex (1, 3); point (4,6) 3. vertex (-3,-2); point (1,2) 7 6 5 4 7 6 5 4 3 2 1 3 2 1 -7 -6 -5 -4 -3 -2 -1 -1 -2 -3 1 2 3 4 5 6 7 -7 -6 -5 -4 -3 -2 -1 -1 -2 -3 -4 -5 -6 -7 1 2 3 4 5 6 7 -4 -5 -6 -7 Graph each quadratic function. Identify the axis of symmetry and the coordinates of the vertex. 4. y x 2 5 5. y x 2 4 x 3 6. y x 2 6 x 2 axis of sym: __________ axis of sym: __________ vertex: ___________ -10 -8 -6 -4 axis of sym: __________ vertex: ___________ vertex: ___________ 10 10 10 8 8 8 6 6 6 4 4 4 2 2 2 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 -2 -2 -2 -4 -4 -4 -6 -6 -6 -8 -8 -8 -10 -10 -10 4 6 8 10 Name________________________________ Date__________ Period__________ Graph each quadratic function. Identify the axis of symmetry and the coordinates of the vertex. 7. y = (x – 5) 2 axis of sym: __________ axis of sym: __________ vertex: ___________ -10 -8 -6 -4 9. y = – (x - 4) 2 + 4 8. y = (x + 7) 2 - 4 axis of sym: __________ vertex: ___________ vertex: ___________ 10 10 10 8 8 8 6 6 6 4 4 4 2 2 2 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 -2 -2 -2 -4 -4 -4 -6 -6 -6 -8 -8 -8 -10 -10 -10 4 6 8 10 Solve each quadratic equation. Do not use the Quadratic Formula. (What Values of X make the equation = 0) 10. x 2 16 0 11. 3 x 2 48 0 Factor. (Do Not use the Quadratic Formula) 13. x2 + 3x – 28 14. x2 – 100 15. 5x2 + 4x – 12 16. 3x2 – 7x + -6 12. x 2 3 x 10 0 Name________________________________ Date__________ Period__________ Write each function in vertex form. Sketch the graph of the function and label its vertex. 17. y x 2 4 x 4 18. y x 2 4 x 1 vertex form: _________________________ vertex form: ________________________ vertex: _____________ vertex: _____________ -10 -8 -6 -4 10 10 8 8 6 6 4 4 2 2 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 -2 -2 -4 -4 -6 -6 -8 -8 -10 -10 4 6 8 10 Find a quadratic function that includes the values in the table using matrices. (Show your work!) 19. 20. x -2 1 5 y -17 10 -10 x 0 1 2 y 3 -4 -9 22. For a model rocket, the altitude h, in meters, as a function of time t, in seconds, is given by h = 68t -4.9t2. Find the maximum height of the rocket. How long dies it take to reach the maximum height?