Algebra
Geometry
Trigonometry
Random
100
What is the reciprocal of -3?
-1/3
100
What is the area of a circle with a diameter of 16?
64pi
100
Two angles of a triangle are 50° and 30°. Find the third angle.
100°
100
Here are some statements:
I) 5 is an integer II)−5 is an integer III) 0 is an integer
Which of the statements are true?
I, II, and III
200
What is the slope of a line parallel to the line x = 5?
Undefined
200
The circumference of a circle is 30pi. What is its area?
225pi
200
Calculate sin(-585°).
sqrt(2)/2
200
What are the first 10 digits of pi?
3.1415926535
300
Solve the equation for x.
x/3 = (2x + 3)/7
9
300
What is the sum of the measures of the interior angles of a hexagon?
720 degrees
300
What is the domain of the cosine function?
All real numbers
300
5(4x+11)+3(2x+4)=347
x=?
11
400
Solve for x: -5x + 20 = 25
-1
400
What is the length of the diagonal of a square with sides of 8 in?
400
What is the amplitude of the function f(x) = -3cos(πx)?
3
400
The equation F=9/5C+32 is used to convert a temperature measured in Celsius to the equivalent Fahrenheit temperature.
A patient's temperature increased by 1.5° Celcius. By how many degrees Fahrenheit did her temperature increase?
2.7°
500
Solve the equation for x.
13 – 2(2x + 1) = 1
5/2
500
A right triangle has two sides of length s; what is the correct formula for finding the length of the hypotenuse h?
500
Find cot(π+x)=?
1/cot(x)
500
Perform the indicated operation and write your answer in standard form. This is a complex numbers problem so the variable i is equal to radical -1.
(4-5i)(12+11i)
103-16i