Find (if possible) the supplement of the following angle.
Question 1
Find (if possible) the supplement of the following angle.
π / 10
[removed] | A. | Supplement: 3π / 10 |
[removed] | B. | Supplement: 7π / 10 |
[removed] | C. | Supplement: π / 180 |
[removed] | D. | Supplement: 6π / 10
|
[removed] | E. | Supplement: 2π / 5 |
5 points
Question 2
Use the value of the trigonometric function to find cos(t)
cos(-t) = √ 2 / 2
[removed] | A. | √ 2 / 2 |
[removed] | B. | 1 |
[removed] | C. | - √ 2 / 2 |
[removed] | D. | - √ 3 / 2 |
[removed] | E. | √ 3 / 2 |
5 points
Question 3
Evaluate the trigonometric function using its period as an aid.
sin 11π / 3
[removed] | A. | -.5 |
[removed] | B. | - √ 3 / 2 |
[removed] | C. | √ 3 / 2 |
[removed] | D. | -1 |
[removed] | E. | -1/2 |
5 points
Question 4
Solve the equation by extracting square roots.
x2 = 11
[removed] | A. | x= 0 |
[removed] | B. | x= ±11 |
[removed] | C. | x= 3.1 or x=3.2 |
[removed] | D. | x= ± √ 11 |
[removed] | E. | x=3.1 or x=3.2 |
5 points
Question 5
Use the value of the trigonometric function to find cos(π+t)
cos(t) = 2/3
[removed] | A. | -2/3 |
[removed] | B. | - 1/3 |
[removed] | C. | 2/3 |
[removed] | D. | 1/3 |
[removed] | E. | 3/2 |
5 points
Question 6
Find 3π / 4 angle in degree measure.
[removed] | A. | 135° |
[removed] | B. | 75° |
[removed] | C. | 35° |
[removed] | D. | -75° |
[removed] | E. | 45° |
5 points
Question 7
Evaluate the trigonometric function using its period as an aid.
cos 5π / 2
[removed] | A. | -1 |
[removed] | B. | 0 |
[removed] | C. | -.5 |
[removed] | D. | -1 |
[removed] | E. | .5 |
5 points
Question 8
[removed] | A. | 2/3 |
[removed] | B. | -2√ 3 / 3 |
[removed] | C. | √ 3 / 3 |
[removed] | D. | 2 √ 3 / 3 |
[removed] | E. | 0 |
5 points
Question 9
Solve the equation and check your solution.5x -(x +1) = 7x -6
[removed] | A. | 1/3 |
[removed] | B. | 2.1 |
[removed] | C. | 5/3 |
[removed] | D. | 2/3 |
[removed] | E. | 3/5 |
5 points
Question 10
Solve the equation and check your solution.8x + 3(x - 2) = 11x + 7
[removed] | A. | -1 |
[removed] | B. | No Solution |
[removed] | C. | 2 |
[removed] | D. | Infinite number of solutions |
[removed] | E. | 3 |
5 points
Question 11
Find angle 125° in radian measure as a multiple of π.
[removed] | A. | π / 26 |
[removed] | B. | π / 125 |
[removed] | C. | π / 2 |
[removed] | D. | 25π / 36 |
[removed] | E. | 5π / 12 |
5 points
Question 12
Find (if possible) the complement of the following angle.
π / 8
[removed] | A. | Complement: 3π / 4 |
[removed] | B. |
|
[removed] | C. | Complement: - 3π / 8 |
[removed] | D. | Complement: 7π / 8 |
[removed] | E. | Complement: 3π / 8 |
5 points
Question 13
Solve the equation and check your solution.0.40x + 0.20(x + 1) = 0.75
[removed] | A. | 40/37 |
[removed] | B. | 11/12 |
[removed] | C. | 4/5 |
[removed] | D. | No solution |
[removed] | E. | 7/12 |
5 points
Question 14
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.
[removed] | A. | 3.200 |
[removed] | B. | 3.143 |
[removed] | C. | 2.751 |
[removed] | D. | 0.554 |
[removed] | E. | -3.751 |
5 points
Question 15
Find angle 15° in radian measure as a multiple of π.
[removed] | A. | π / 12 |
[removed] | B. | 3π / 12 |
[removed] | C. | 5π / 12 |
[removed] | D. | 15π / 12 |
[removed] | E. | - 5π / 12 |
5 points
Question 16
Solve the equation by extracting square roots
(x + 3)2 = 5
[removed] | A. | x= ± √ 2 |
[removed] | B. | x=3 or x=5 |
[removed] | C. | x= -3 ± √ 2 |
[removed] | D. | x= -3 ± √ 5 |
[removed] | E. | x= ± √ 8 |
5 points
Question 17
Solve the quadratic equation by factoring.
9x2 - 25 = 0
[removed] | A. | x= -5/3 or x= 5/3 |
[removed] | B. | x=3 or x=-3 |
[removed] | C. | x= 2/7 or x= -2/7 |
[removed] | D. | x= 3/5 or x= -3/5 |
[removed] | E. | x= -15 or x= 15 |
5 points
Question 18
Use the value of the trigonometric function to find sin(t)
[removed] | A. | no solution |
[removed] | B. | 1/2 |
[removed] | C. | -3/4 |
[removed] | D. | -1/2 |
[removed] | E. | √ 2 / 2 |
5 points
Question 19
Solve the equation using any convenient method
x2 + 13x - 48 = 0
[removed] | A. | x = 4 or x = -12 |
[removed] | B. | x = 3 or x = 16 |
[removed] | C. | x = -3 or x = -16 |
[removed] | D. | x = 3 or x = -16 |
[removed] | E. | x = 6 or x = -8 |
5 points
Question 20
Solve the quadratic equation
2x2 + 13x - 7 = 0
[removed] | A. | x =2 or x =7 |
[removed] | B. | x= -1/2 or x= -7 |
[removed] | C. | x= 1/2 or x=-7 |
[removed] | D. | x= -1/2 or x= 7 |
[removed] | E. | x=2 or x=-7 |
12 years ago
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