quizz College Trigonometry

QUESTION 1 Solve the quadratic equation by factoring. 9×2 – 25 =
0A. x=3 or x=-3B. x= -15 or x= 15C. x= -5/3 or x= 5/3D. x= 2/7 or x= -2/7E. x= 3/5 or x= -3/5 QUESTION 2 Solve the equation by extracting
square roots. x2 = 11A. x= ± √ 11B. x=3.1 or x=3.2C. x= 0D. x= ±11E. x= 3.1 or x=3.2 QUESTION 3 Solve the equation by extracting
square roots (x + 3)2 = 5A. x=3 or x=5B. x= ± √ 8C. x= -3 ± √ 2D. x= ± √ 2E. x= -3 ± √ 5QUESTION 4 Use the value of the trigonometric function to find
sin(t)A. √ 2 / 2B. -3/4C. no solutionD. -1/2E. ½ QUESTION 5 Solve the equation using any convenient method
x2 + 13x – 48 = 0A. x = -3 or x = -16B. x = 6 or x = -8C. x = 4 or x = -12D. x = 3 or x = -16E. x = 3 or x = 16 QUESTION 6 Find 3π / 4 angle in degree
measure.A. 75°B. 45°C. 35°D. -75°E. 135°QUESTION 7 Find (if possible) the supplement of the following
angle. π / 10A. Supplement: 3π / 10B. Supplement: 7π / 10C. Supplement: 6π / 10D. Supplement: π / 180E. Supplement: 2π / 5QUESTION 8 Find angle 15° in radian measure as a multiple of
π.A. 3π / 12B. – 5π / 12C. π / 12D. 15π / 12E. 5π / 12 QUESTION 9 Find angle 125° in radian measure as a
multiple of π.A. 5π / 12B. π / 26C. π / 125D. 25π / 36E. π / 2 QUESTION 10 Find the radian measure of the central
angle of the circle of radius 7 centimeters that intercepts an arc
of length 22 centimeters. Round to three decimals.A. -3.751B. 3.143C. 0.554D. 3.200E. 2.751QUESTION 11 Solve the equation and check your solution.5x -(x
+1) = 7x -6A. 2.1B. 1/3C. 2/3D. 3/5E. 5/3 QUESTION 12 Evaluate the trigonometric function using its
period as an aid. cos 5π / 2A. .5B. -1C. -1D. -.5E. 0 QUESTION 13 Solve the equation and check your
solution.0.40x + 0.20(x + 1) = 0.75A. 40/37B. No solutionC. 4/5D. 7/12E. 11/12QUESTION 14 Solve the quadratic equation 2×2 + 13x – 7 = 0A. x=2 or x=-7B. x =2 or x =7C. x= -1/2 or x= -7D. x= ½ or x=-7E. x= -1/2 or x= 7 QUESTION 15 Find (if possible) the complement
of the following angle. π / 8A. Complement: 7π / 8B. Complement: 3π / 4C.D. Complement: – 3π / 8E. Complement: 3π / 8QUESTION 16 Evaluate the trigonometric function using its period
as an aid. sin 11π / 3A. -.5B. -1/2C. √ 3 / 2D. – √ 3 / 2E. -1 QUESTION 17 Use the value of the trigonometric function to
find cos(t) cos(-t) = √ 2 / 2A. – √ 3 / 2B. – √ 2 / 2C. √ 2 / 2D. 1E. √ 3 / 2QUESTION 18A. -2√ 3 / 3B. √ 3 / 3C. 0D. 2/3E. 2 √ 3 / 3QUESTION 19 Use the value of the trigonometric function to find
cos(π+t) cos(t) = 2/3A. 2/3B. 3/2C. – 1/3D. -2/3E. 1/3QUESTION 20 Solve the equation and check your solution.8x + 3(x
– 2) = 11x + 7A. No SolutionB. 3C. Infinite number of solutionsD. 2E. -1