Name Alg2A 5/17/11 Final Review Packet Set #1 1) Factor: 48x2 + 16x – 20 2) The perimeter of a rectangle is 110 cm. The width is 4 more than half the length. Find the area of the rectangle. 3) 5x3 = 25x2 + 120x 4) 3x2 – 4 = 2x 5) A 50-foot flagpole’s shadow is 31 feet. Find the angle of depression. 6)A 39-foot ladder leans against a building and reaches the bottom ledge of a window. If the foot of the ladder is 15 feet from the base of the building, how high is the window ledge above the ground? 7) The area of a rectangle is 180 sq. feet. The width is 3 less than the length. Find the perimeter. (must use let) 8) The diagonal of a square is 14 inches. How long is one side of the square(simplest radical form)? 9) f(x) = 3x – 5 10) g(x) = x2 a) f(-2) = b) g(-2) = c) g(f(-4))= e) f(g(x + 2))= f) g(f(x+2))= g) f(f(2x -3)) d) f(g(-4)) = h) g(g(-9)) = 11) y = x2 – 8x + 5 y = 3x – 5 14x + 9y = 50 8x – 11y =-149 12) Factor: (Remember GCF 1st!!!!) a) 32x2 – 8x – 4 b) 100x2 – 225 c) x2 + 81 d) 9x2 + 81 13) The area of a rectangle is 96 sq. feet. The length is 10 more than the width. Find the perimeter. (must use let) 1 Name Alg2A 5/17/11 Final Review Packet Set #2: Solve each system algebraically and Check: 1) 7x – 5y = -52 6x – 11y = -58 2) y = x2 - 6x - 27 y = 7x -13 3) x = 3y – 7 4x – 13y = -36 4) Solve and round to the nearest hundredth: 2 4x – 11x = -2 5) Solve: 6x + 72 = x2 Set #3: 0 90 30 60 180 270 sin cos tan 45 sin cos tan 2) sin 210° = 3) cos x = - ½ 4) tan x = 0 2 Name Alg2A 5/17/11 Final Review Packet 5) tan 300° = 7) sin x = - √3/2 6) cos 225° = 8) 9) 10) 7(4x – 8) – 4(9x – 4) = -38 11) 7(4x – 8) = 4(9x – 4) 12) 2x + 9 x+5 2x + 8 3 Name Alg2A 5/17/11 Final Review Packet Set #4: 1) A 11 13 B C 16 2) Angle A = 720 A 13 9 B C 3) In triangle ABC, A = 580, B = 670, and c = 22. Find C, b, and a. 4) In triangle ABC, a = 9, b = 12, and c = 10. Find all 3 angles. 5) In triangle ABC, a = 17, b = 14, and C = 1030. Find all missing sides and angles. 6) In triangle ABC, A = 680, B = 470, and a = 14. Find C, b, and a. Sets 5 and 6 will be handed out on class: Set #5: Radical Equations/Rational Equations Set #6: Factoring 4 Name Alg2A 5/17/11 Final Review Packet 5