Alg1 Q4 Test 2 Reviewpart II (All Work on GP)

Name Due May 27, 2008

Alg1 Q4 Test 2 ReviewPart II (all work on GP)

Part I: Rational Expressions:
1)6x3 -48x2 . ·x2+ 18x+77. 2)x2 + 15x+ 54 ÷x2- 6x - 72 .
x2 - x -56 3x2 -363x2 –81x2 - 21x + 108

3) x2 + 5x - 14 . · x2 + 6x - 16 .4)4x4 – 16x2÷x5 + 4x4 – 12x3 .
x2 + 16x + 63 2x2 + 34x + 144 2x2 –14x - 36x2 + 15x + 54

5) 5x – 7 _ + 3x + 8 _6) 3x – 2 _ _ 10x + 3_
8x3 6x7 12x7y6 5xy9

7) 4x – 71 _ - 10 – 5x _8) 3x2 + 22 _ _ 2x2 + 11x - 6 _

x2 – 2x - 63 x2 – 2x - 63 16 – x2 16 – x2

9) 2x2 + 4x _ - 2x2 - 20 _10) 7x + 121 _ + x2 - 7x _

x2 – 4x – 45 x2 – 4x - 45 x2 – x – 132 x2 – x - 132

11) 11a - 2 _ _ 5a - 7 _12) 5x + 9 _ _ 6x - 3 _

7a10b7 8a8b11 4x8y9 14x8y5

Part II: Graphing Quadratics (Parabolas):

1) a) Graph: y = -2x2 + 2x + 52) a) Graph: y = x2 – 5x + 4

b) Is the vertex a minimum or maximum? b) Is the vertex a min. or max.?

c) Find the axis of symmetry. c) Find the axis of symmetry.

d) Find the vertex. d) Find the vertex.

e) Find the roots. e) Find the roots.

3) a) Graph: y = 3x2 + 2x - 64) a) Graph: y = - ½ x2

b) Is the vertex a minimum or maximum? b) Is the vertex a min. or max.?

c) Find the axis of symmetry. c) Find the axis of symmetry.

d) Find the vertex. d) Find the vertex.

e) Find the roots. e) Find the roots.

Solve each system of equations graphically:

5) y = x2 – 5x – 36) y = - ½ x2 – 2x + 7
14x + 7y = 7 y - 7 = 3(x – 3)