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Mathemania. The 104 Challenge. Review for the Final. Review for the Final. Graphs. Polar Form. Functions. Triangles. Leftovers. 5. 5. 5. 5. 5. 10. 10. 10. 10. 10. 25. 25. 25. 25. 25. 50. 50. 50. 50. 50. 100. 100. 100. 100. 100. Final Round. Triangles.
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Mathemania The 104 Challenge Review for the Final Review for the Final Graphs Polar Form Functions Triangles Leftovers 5 5 5 5 5 10 10 10 10 10 25 25 25 25 25 50 50 50 50 50 100 100 100 100 100 Final Round
5 Point Question What is the Pythagorean Theorem? In any right triangle, the sum of the squares of the sides is equal to the square of the hypotenuse. Check Work Go Home
10 Point Question In the triangle ABC, C = 90o, A = 25o and a = 3. Find b. b = 6.433 Check Work Go Home
12 cm 102o c 38o 25 Point Question Find c in the triangle below: 11.49 Check Work Go Home
50 Point Question Find the length of the missing side in the triangle below. 10 cm 68o 13 cm 13.099 cm Check Work Go Home
100 Point Question Find all three missing angles in the triangle below. A 14 5 11 B C A = 44.42o B = 18.54o C = 117.04o Check Work Go Home
5 Point Question The graph of a polynomial falls to both the left and right. What can we tell about the polynomial? It has an even degree and negative leading coefficient. Check Work Go Home
10 Point Question Sketch the graph of y = 3cos(2x) – 5. period is Pi, amplitude is 3, midline is -5. It starts at (0,-2). Check Work Go Home
25 Point Question Find the equation for a sine function that matches the graph below. (π/4, 4) (9π/4,4) Y = 2sin(x-π/4) +4 Check Work Go Home
50 Point Question Find the equation for the polynomial function graphed below. Y = -2(x-3)(x+1)2 (0,6) Check Work Go Home
100 Point Question Find the equation for the rational function graphed below. (0,-9) Y = -2(x2-9)/(x2-x-2) Check Work Go Home
3 30o 5 Point Question Plot the polar point (3, 1500). Check Work Go Home
10 Point Question Convert the point (-8,-6) to polar coordinates. (10, 216.90) Check Work Go Home
25 Point Question A plane flies N 150 W at a speed of 260 miles per hour. Write the plane’s velocity vector in component form. -67.29i + 251.14j Check Work Go Home
50 Point Question Write the complex number 5 – 3i in polar form. Check Work Go Home
100 Point Question Compute (1 – i)1/3. Write your answer in polar form. 21/6 e-πi/12 Check Work Go Home
5 Point Question What type of function is this? F(x) = 3x-2 A power function Check Work Go Home
10 Point Question Find the equation for the power function that passes through (1, 5) and (5, 1/25) F(x) = 5x-3 Check Work Go Home
25 Point Question Graph the polynomial f(x) = 3(x - 3)3 (x + 20), labeling all zeros, y-intercepts and asymptotes. (3,0), (-20,0), (0,-1620) Check Work Go Home
(-4,0) 50 Point Question Sketch the graph of Asymptotes y = 0, x=2, and x=-5, (which doesn’t show well) Intercept Points: (-4,0),(0,1/5) Check Work Go Home
100 Point Question Find the exact value of cos-1(cos(28π/25)). 22π/25 Check Work Go Home
5 Point Question U = 3i – 5 j, V = 4i – 2j. Find the dot product of the vectors U and V. 22 Check Work Go Home
10 Point Question What is the equation for a rose curve with 8 petals of length 3. R=3cos(4Θ) Check Work Go Home
25 Point Question Solve the equation: tan(2Θ) = √3. Θ = π/6 + πk/2 Check Work Go Home
50 Point Question Solve the equation: sin(x) + 2cos2(x) = 2 x = πk, π/6 + 2πk, 5π/6 + 2πk Check Work Go Home
100 Point Question Verify the identity: sure enough… Check Work Go Home
Final Question A 235 lb weight is suspended by two cables as shown in the diagram. Find the force in each cable. • Cable on right: 222 lbs. • Cable on left: 141.8 lbs 54o 23o Check Work 235 lbs Go Home