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# MAT 117 Final Exam (10th Set) 66 Questions with ANSWERS fin571

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This 42 page Study Guide was uploaded by an elite notetaker on Wednesday November 11, 2015. The Study Guide belongs to fin571 at Kaplan University taught by in Fall 2015. Since its upload, it has received 113 views.

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Date Created: 11/11/15

ANSWER: 630 ANSWER: (r+4)² ANSWER: (s3)/(s+3) ANSWER: v*(v+12)/(v²81) ANSWER: t= ±6 ANSWER: k=9; y=9x ANSWER: (3a4)(3a+4) ANSWER: {[3i*√(31)]/2, [3+i*√(31)]/2} ANSWER: (a2√(ab)+b)/(ab) ANSWER: 3, 1 ANSWER: 18a³ ANSWER: 3, 2, 1, 0, 3 ANSWER: 9c(12c) ANSWER: D ANSWER: (x²3x+7)*8x^5 ANSWER: A: 1/2 ANSWER: B ANSWER: a) √(3), +√(3) b) (√(3),0), (+√(3),0) ANSWER: 7 ANSWER: (v5)(v9) ANSWER: a²+(7/10)a+(1/10) ANSWER: a^14 ANSWER: 0.6 ANSWER: 7/(z+4) ANSWER: s³d³ ANSWER: 25 ANSWER: 6x^848x² 3x^6+24 ANSWER: 3 ANSWER: 3√(13), 3+√(13) ANSWER: (7x²/y)*³√(x²) ANSWER: 14<x<9 or x>2 ANSWER: c^5 3c^4+7c^3+10c^2+5c12 ANSWER: 6 ANSWER: 5x/(x2) ANSWER: |a+6| ANSWER: x²16+64=0 ANSWER: 144t^20 ANSWER: 1/(w^8) ANSWER: x³ ANSWER: 24x³+44x²+48x+16 ANSWER: w(w9)(w+2) ANSWER: (p+1)/(9p+4) ANSWER: 2 2/5 ANSWER: 19^(1/3) ANSWER: (10s+8g)² ANSWER: 4a*√(5b) ANSWER: 548; A ANSWER: 14v/3 ANSWER: (6,7); x=6; 7; minimum; B ANSWER: (3y³)*³√(3) ANSWER: 1/2; 5/2; x=1/2; 5/2; maximum; B ANSWER: 1/(c^16) ANSWER: 4d+4; d²+2d ANSWER: 3x²16xy8y² ANSWER: 38√(2) ANSWER: √(10)/2, +√(10)/2, √(2)/2, +√(2)/2 ANSWER: (3w2)/(w5) ANSWER: A: 22 ANSWER: D ANSWER: A ANSWER: 6, 3 ANSWER: 4, 9 ANSWER: 88600000 ANSWER: 4 ANSWER: (3w4)² ANSWER: 10 ANSWER: x = -7 + sqrt(53), -7 – sqrt(53) ANSWER: 0.9 seconds ANSWER: a) 5 ANSWER: t (t+9) / (t +4)(t - 4) ANSWER: a = -5, 7 ANSWER: (t +1) / (6t + 5) ANSWER: (2v – 11)(2v + 11) ANSWER: x = 5 ANSWER: -126 ANSWER: (a – 2sqrt(ab) + b ) / (a – b) ANSWER: 10 / (v+8) ANSWER: B ANSWER: (b – 12)(b – 6) ANSWER: 1 /11 ANSWER: x2– 16x + 64 ANSWER: 2+ (5/6)r + (1/6) ANSWER: |a+2| ANSWER: 3a2 ANSWER: (3x/y) 3√x2(That is, (3x/y) times the cube root of2) ANSWER: b19 ANSWER: 20 1/7 ANSWER: . + i(sqrt 15)/4, . - i(sqrt 15)/4 (The 4 in the denominator is NOT under the square root sign.) ANSWER: (r-8) / (r+8) ANSWER: x = -1, 4 ANSWER: y = 15 ANSWER: -22– 6xy – 52 ANSWER: 2a sqrt(5b) ANSWER: 89,100,000 ANSWER: 2 2/9 hours ANSWER: 2x / (x-3) ANSWER: r (8-10r) ANSWER: 7 (2c + 7t) (2c + 7t) [ A better answer is 7 (2c + 2, but I don’t know if the computer will allow you to enter it in that form.] ANSWER: D ANSWER: Vertex is at (-2, 1) Line of symmetry is x = -2 Minimum value of f(x) is 1 f(-2) = 1 is a minimum Graph is D ANSWER: 3, -3 ANSWER: x-intercepts are (- 4,0), (1,0) ANSWER: v(v-8)(v+6) ANSWER: (8z – 7) / (z – 9) ANSWER: 5 ANSWER: c3+ 3 ANSWER: Perimeter = 4z + 18 Area = z2+ 9z ANSWER: a. solutions are 2, -4 ANSWER: The x-coordinate of the vertex is . The y-coordinate of the vertex is 21/2 The line of symmetry is x = . The maximum of f(x) is 21/2 The value, f(1/2) = 21/2 is a ANSWER: The solutions are x = √2, -√2 (square root of 2, negative square root of 2) The x intercepts are (√2, 0), (- √2,0) ANSWER: Discriminant = -412 b. The equation has two imaginary solutions ANSWER: k = 7 y = 7x ANSWER: 5 ANSWER: v5 – 34 + 8v3+ 11v 2 + 4v – 8 ANSWER: (b + 7)(b + 7) [ Again, (b+72 would be a better answer if it is allowed. ] ANSWER: -1/3 ANSWER: 3y5(3√3) (3 times y to the 5t, times the cube root of 3) ANSWER: a. 6b2– 2b + 7 + 3/ (6b+5) ANSWER: 1/s8 ANSWER: 46 ANSWER: 8x 15– 16x7– 5x8+ 10 (This is what you get following FOIL, without rearranging terms) 8x 15– 5x8– 16x7+ 10 (This is the ANSWER: (√3)/3, (-√3)/3, (√10)/2, (-√10)/2 (You don’t need the parentheses. I put them in to make it clear that the denominators are ANSWER: 28x3 + 41x 2+ 29x + 10 ANSWER: (49/11)y ANSWER: 15 inches ANSWER: The degree of the first term is 3 The degree of the second term is 2 The degree of the third term is 1 The degree of the fourth term is 0 The degree of the polynomial is 3 ANSWER: 2√5 ( 2 times the square root of 5 ) ANSWER: 36n6 ANSWER: 9 cm ANSWER: a. (3c – 2)(3c – 2) ANSWER: 7x (x2– 4x + 5) ANSWER: { x | -12 < x < -6 }, { x | x > 5 }

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