Show:
Questions
Responses
Print
Trigonometry
Vectors and Matrices
Conics
Miscellaneous
Solving Equations
100
The reference angle for 25pi/6
What is pi/6
100
If V= < 4, -6> , then -3V is
What is <-12, 18 >
100
If the equation of a parabola is x= - 1/2 (y-5) ^2 + 6 the vertex is located at what point?
What is the point (6,5)
100
Simplify: 6i (4+2i)
What is -12 + 24i
100
What is the solution to sin(x) + cos ^2(x) = 1
What is x = 0, pi/2, pi
200
The height of a tree if the angle of elevation is 40 degrees when standing 80 feet from the base of a tree
67.1 feet tall
200
If a vector starts at the point (-4, - 2) and goes through the point (2, 4), then the component form of the vector is
What is the vector <6,6>
200
What is the equation of a parabola given the vertex is at (2,3) and the focus is at (3,3) ?
What is x = 1/4 (y-3) ^2 + 2
200
What is the amplitude of the function y = -3sin(2x) ?
What is the value 3
200
What is the solution to 2 cos x + sqrt 2 = 0
What is 3pi/4 and 5pi/4
300
Simplify cos(A - B) - cos (A + B)
- 2 sinAsinB
300
A = |2 4| B = | 4 0 | |6 -1| | -2 0 | What matrix represents -3A + B?
What is | -2 -12 | | -20 3 |
300
What is the standard form of an ellipse with foci at (2,0) and (-2,0) and vertices at (3,0) and (-3,0)
What is the equtaion x ^2/ 9 + y ^2/ 5 = 1
300
What is the arc length of an angle 2pi/3 radians formed on the unit circle?
What is the length 2pi/3
300
solve cos^2(x) - 2 cos x - 1 = 0 from [0,2pi)
What is 0
400
If sin(theta) = 1/2 and theta is in Quadrant IV, what is the cos(theta)?
What is SQRT 3 / 2
400
Given A = | 3 0 | B = |-2 -1 | | -4 6 | | 4 5 | What is AB?
What is the matrix | -6 -3 | | 16 10 |
400
What is the standard equation of the hyperbola given vertices at (-1,-1) and (-1,7) and foci at (-1,8) and (-1,-2) ?
What is the equation (y-3) ^2 /16 - (x+1)^2 /9 = 1
400
If the arc length of a sector on the unit circle is 5.6 radians, what is the measure of the angle of the sector in degrees?
What is the measure 320.9 degrees.
400
x + 3 = x - 4
What is no solution
500
Which transformation(s) will change y = tan(x) into the graph y = tan ^-1 (x)?
What is a reflection over y-axis, then rotate 90 degrees clockwise.
500
Given the matrix A = | 2 1 | | 3 6 | What is the inverse of matrix A?
What is the matrix | 2 -1/3 | | -1 2/3 |
500
Given the equation 6= 4x^2 + 2x - 2y, what is the value of p?
What is p = 1/8
500
Find the sin (theta) if it passes through the point (-3,4)
What is the value 4/5
500
What is the value of x in degrees(to the tenths place) for sin x = .34
What is 19.9 degrees