# Lesson 14 Practice

1. Why Complete the Square? c)
2. Completing The Square 1. a) (x+3)^2 b) (x-4)^2 c) (x+2)^2 d) (x-5)^2
3. Completing The Square 2. a) (x+\frac{5}{2})^2 b) (x-\frac{3}{2})^2 c) (x+\frac{9}{2})^2 d) (x-\frac{1}{2})^2
4. Completing The Square 3. a) 36 b) 25 c) \frac{49}{4} d) \frac{121}{4}
5. Completeing The Square 4.

49

- __ 49

6. Completing The Square 5.

a) x+8, -, 64

b) x-4, -, 16

c) x+\frac{7}{2}, -, \frac{49}{4}

d) x-\frac{5}{2}, -, \frac{25}{4}

7. Completing The Square 6.

a) x+8, -, 57

b) x-4, -, 18

c) x+\frac{7}{2}, -, \frac{81}{4}

d) x-\frac{5}{2}, -, \frac{9}{4}

8. Completing The Square 7. a) 3 b) 3 __ x^2+2x c) 3(x+1)^2+4
9. Completing The Square 8.

a) 4, x+1, +, 3

b) 5, x-\frac{3}{2}, -, \frac{5}{4}

c) 2, x+\frac{5}{4}, -, \frac{33}{8}

d) -3, x+1, +, 8

10. Complete The Square 9.

maximum

x

minimum

x

11. Completing The Square 10. a) x-2, -, 1 b) 0 c) 2 d) -1
12. Completing The Square 11. a) min, -8, -57 b) max, -1, 8 c) min, 1.5, -1.25
13. Completing The Square 12. a) -3,0) b) (-\frac{5}{4},-\frac{33}{8}) c) (-3,0)
14. Find The Vertex. a) (0,-6) b) y=\frac{3}{2}x^2-2