University:
Missouri State University
Course:
MTH 103 | Intermediate Algebra
Academic year:

2019
Views:

192

Pages:

30
Author:

RonoEnduh6sl

Algebra 2/Trig Unit 2 Notes Packet Name: Date: Period: Quadratic Equations (1) Page 253 #4-6Check on graphing calculator** (2) Page 253-254 #20, 26. 32**Check on graphing calculator** (3) Page 253-254 10-12, 21, 27, 33**Check on graphing calculator** (4) Page 253-254 #22, 28, 34. Check on graphing calculator** and # 38-40 (5) Page 253-254 #23, 29, 35, **Check on graphing calculator** And #41-43 (6) Page 260 #4-15 (7) Page 261 #65-79 Odd (8) Page 261 #66-78 Even (9) Page 267-268 #51-67 Odd (10) Page 267-268 #52-68 Even (11) Page 286#4-6, #10-12 (12) Page 286-28732-61 Column; #63, 65, 67 (13) Page 286-287#25-62 Column; #64, 66, 68 (14) Page 295-296 #17-21 Odd, #33-37 Odd, #47-51 Odd, #56-58 (15) Page 295-296#23-27 Odd, #39-43 Odd, ##53, 55, #59-61 (16) Page 441-442 #17-53 Column **Skipping #44** (17) Page 441-442 #18-54 Column **Skipping #28** (18) Chapter Review *****Test Tomorrow***** 1 Page # Algebra 2/Trigonometry Unit 2 #1: Page 253 #4-6 Name: Date: Period: Graph: 4\ y = x ^ 2 - 4x + 7 X 0 1 2 3 4 Y 7 4 3 4 7 Vertex: (2, 3) Axis of Symmetry: x = 2 x-intercepts: none 5) y = 2 * (x + 1) ^ 2 - 4 X -3 -2 1 0 1 Y 4 2 -4 -2 4 Vertex: (-1, -4) Axis of Symmetry. x = - 1 x-intercepts: \{- 2.5, 0\} and (.5, 0) 6) y = - (x + 2) * (x - 1) X -3 -2 -5 1 2.25 0 2 Y -4 0 -4 Vertex: (-.5, 2.25) Axis of Symmetry: x = - 5 x-intercepts: (-2, 0) and (1, 0) Algebra 2/ Trig va #7: PB 261 #66-79 odd SOLVE! 65) x ^ 2 - 3x - 4 = 0 (x - 4)(x + 1) = 0 X-4:0 x = 4 x + 1 = 0 x = - 1 حر (69) K ^ 2 + 24k + 144 = 0 (x + 12)(x + 12) = 0 (K + 12) ^ 2 = 0 k + 12 = 0 X = - 12 73) - 3b ^ 2 + 30 + 90 = 0 - 3(b deg - b - 30) = 0 - 3(b - 6)(b + 5) = 0 b - 6 = 0 b = 6 b + 1/5 = 0 D = - 5 17) 2y ^ 2 - 4y - 8 = - y ^ 2 + y 3y ^ 2 - 5y - 8 = 0 ( 3y - 8x(y + 1) = 0 3y - 8 = 0 3y = 8 y = 8/3 y+1=0 y=-1 (67) 5x ^ 2 - 13x + 6 = 0 (5x - 3)(x - 2) = 0 or 5x - 3 = 0 6x = 3 x = 3k x=2 81r ^ 2 - 16 = 0 (9n + 4)(9n - 4) = 0 or 9n + 4 = 0 9n = - 4 n = - 4/9 9n - 4 = 0 9n = 4 n = 4/9 75) 16x ^ 2 = 8x - 1 16x ^ 2 - 8x + 1 = 0 (4x - 1)(4x - 1) = 0 (4x - 1) ^ 2 = 0 4x - 1 = 0 4x = 1 x = 1/4 79) (w + w) ^ 2 =3(w+1 partial)-w^ 2 0 ^ 2 + 12w + 36 = 360 + 36 - 6 = 360 + 36 - 60 ^ 2 2w ^ 2 + 9w = 0 w(aw + 9) = 0 or 2w - t * 9 = 0 2w = - 9 w = - 9/2 2 Algebra 2/ Trig U2 #8: Pg 261 66-78 even 6) x ^ 2 + 19x + 88 = 0 (x + 8)(x + 11) = 0 or x + 8 = 0 x = - 8 x + 11 = 0 x = - 11 (68) 8x ^ 2 - 6x - 5 = 0 (4x - 5)(2x + 1) = 0 4x - 5 = 0 4x = 5 x = 5/4 ↓ 2x + 1 = 0 2x = - 1 x = - 1/2 9m ^ 2 - 30m + 26 = 0 (3m - 5)(3m - 5) = 0 (3m - 8) ^ 2 = 0 3m - 5 = 0 3m = S m = 5/3 72) 40a ^ 2 + 4a = 0 4a(10a + 1) = 0 4a = 0 a = 0 10a + 1 = 0 1-=001 a = - 1/10 74) x ^ 2 + 9x = - 20 x ^ 2 + 9x + 20 = 0 (x + 5)(x + 4) = 0 x + 5 = 0 x = - 5 x + 4 = 0 x = - 4 76) 25 = 4p ^ 2 + 24 p ^ 2 - 4p = 0 (p - 7)(p + 7) = 0 p - 7 = 0 P = 7 p + 7 = 0 p = - 7 78) 2q ^ 2 + 4q - 1 = 7q ^ 2 - 7q + 1 - 9q ^ 2 + 11q - 2 = 0 - (6q ^ 2 - 11q + 2) = 0 - (8q - 1)(9 - 2) = 0 5y - 1 = 0 5q = 1 945 9 - a = 0 9=2