Solve for a: ax + b = c
a = (c - b)/x
A quadrilateral with two pairs of opposite and parallel sides.
parallelogram
Evaluate arccos (-2)
What is the only even prime number?
What's the slope of the line passing through (3,9) (5,4)
-5/2
This has a starting point, but goes on and on in one direction.
a ray
ln(e7)
7
Who is the “Father of Calculus”?
Isaac Newton
Write the following equation in slope-intercept form: 5(x + 2y) = 20
y = -1/2x + 2
The corner, or point at which line segments meet in a polygon.
vertex
State the period and amplitude of y=2tan(pi)(x)
Amplitude = 2, Period = 1
What number doesn’t have its own Roman numeral?
zero
What's the domain of x = 3?
3
A quadrilateral has 3 angles measuring 90 degrees, 100 degrees, and 70 degrees. What is the measure of the 4th angle?
100 degrees
Solve on [0, 2pi): 2sin^2 x - 3sin x +1 =0
x = pi/6, 5pi/6, pi/2
In what country were negative numbers first used?
China
simplify: 4h2k - 4hk2 + 2k2 + 7hk2 - 3h2k - 3hk2
h2k + 2k2
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
right, isosceles
Given that a = 15, b = 25, A = 85, are there one, two, or no triangles possible?
no triangles possible
Who is the father of mathematics?
Archimedes