Solve for x: 3x2=27
x = +3 and -3
Yes/No: Is ex a function?
Find the area of a triangle with vertices (0,0), (4,0), and (0,6).
12
1/2
(2x-1y2)3
8x-3y6
Solve for x: x2-5x+6=0
x=3 and x=2
Find f(3) if f(x)=2x2-5x+1.
4
Find the length of the diagonal of a cube with side length 5.
sqrt(75) or ~8.66
What is cos(45)
sqrt(2)/2
log(1000)
3
Solve for x: 2x2-7x-4=0
x=-0.5 and 4
Find the inverse of f(x)=3x-7
y=(x+7)/3
Find the equation of a circle with center (2,-3) and radius 6
(x-2)2+(y+3)2=36
Solve for x in 0*<x<360:
sin(x)=1/2
30*, 150*
log(x-1)=3
x=1001
Solve for x: x+5=(x-1)2
x = -1 or 4
Determine whether the function is even, odd, or neither:
f(x)=x3-x
Odd
Find the volume of a cone with radius 3 and height 10.
30pi
What is sin2x+cos2x equal to?
1
Find the sum of the first 20 positive integers
210
Solve for x: x4-5x2+4=0
x = -2, -1, 1, 2
Find the domain of: 1/(x-4)
All real numbers other than 4
A regular polygon has interior angles measuring 156*. How many sides does it have?
15 sides
Find all solutions to:
2sinx-1=0
between 0<x<360
30*, 150*
x=1