# Lesson 26 Practice

1. Which Shift. a) vertical, down, 4 b) vertical, up, 1 c) horizontal, left, 3 d) horizontal, right, 5
2. Parabola Slide. h(x)=2(x-3)^2 +4(x-3)-7
3. Reflecting on Reflections. Multiply the function by -1.
4. Series of Transformations. From top box to bottom box: d, a, c, b
5. Wheres the Square. a) (-2,0) (-2,1) (-1,1) (-1,0) b) (0,0) (0,1) (-1,1) (-1,0) c) (2,0) (2,1) (3,1) (3,0) d) (0,0) (0,-1) (1,-1) (1,0)
6. Where's the Square 2. e) (0,0) (0,2) (1,2) (1,0) f) (0,0) (0,\frac{1}{2}) (1,\frac{1}{2}) (1,0)
7. Wheres the Square3. a) (2,0) (2,1) (1,1) (1,0) b) (-2,0) (-2,1) (-3,1) (-3,0) c) (-2,0) (-2,-1) (-1,-1) (-1,0) d) (-2,0) (-2,-1) (-1,-1) (-1,0) e) no f) yes g) sometimes
8. Four Directions I. a) 3 0 0 0 b) 0 2 1 0

no

9. Four Directions II. c) 0 1 0 0 d) 0 0 0 2
10. Shifting, Stretching, and Shrinking. a) 4 0 0 0 b) vertically shrunk 0 0 1 0
11. Challenge: Shifting, Stretching, and Shrinking II. a) vertically shrunk 0 0 5 0 b) vertically stretched 0 1 0 0
12. Move the Circle to the Right. ...need to replace x with (x-3). (x-3)^2+y^2=9
13. Complete the Square I. a) (x+6)^2-36 b) (x+6)^2-36+y^2 c) -6, 9 d) (-6,0)
14. Move the Circle Up. ...replace y with y-4. x^2+(y-4)^2=9
15. Complete the Square II. a) (y-5)^2-25 b) x^2+(y-5)^2-25 c) 5, 9 d) (0,5)
16. Double Shift! x-6, y+2; (x-6)^2+(y+2)^2=9
17. Complete the Square III. a) (x+3)^2-9 b) (y+4)^2-16 c) (x+3)^2-9+(y+4)^2-16 d) (x+3)^2+(y+4)^2=9 e) (-3,-4)
18. Square Root Function. x\ge 0, y\ge 0
19. Root Reflection in the x-Axis. -\sqrt{x}, x\ge 0, g(x)\le 0
20. Root Reflection in the y-Axis. \sqrt{-x}, x\le 0, h(x)\ge 0