Math Facts
The only number with the same number of letters as its value
four
It's 44 plus 7, minus 23, times 10, divided by 2.
140
Two angles that add to 90 degrees are this appreciative-sounding type.
complementary
It's the law that says a(b+c) = ab + ac.
the distributive law
This is the shape of the graph of a quadratic function like y=x2
parabola
This is the 3D shape formed by rotating a right triangle about one of its legs.
cone
It is the square root of the square root of 81
3
It's the combined degree total of 2 angles of an equilateral triangle.
120
This is the integral of 1/x dx.
lnx
A function whose graph has a vertical asymptote at x=0 and a horizontal asymptote at y=0
This 3D shape has the greatest volume for a given surface area.
sphere
3 out of every 5 members of a club voted yes; if 75 voted, this many were not in favor.
30
Enneadecagon is a polygon with this many sides
19
This rule is used when differentiating a function inside another function, like sin(x2)
the chain rule
This is the point where a function changes from increasing to decreasing or vice versa.
turning point
The name of the number with 100 zeros
A googol
You're thinking of a number. Triple it, subtract 4, and you get the same result as if you doubled it and added 2. What’s the number?
6
Between 4:00 pm and 4:50 pm, the minute hand on Big Ben covers this many degrees.
300
This is the antiderivative of 1/1+x2
tan-1x
The graph of y=∣x∣ has this shape and this type of corner at the origin.
V shape and a cusp
The sum of opposite sides of a standard dice
7
If the LCM of two numbers is 36 and their HCF is 6, and one of the numbers is 12, this is the other.
18
In triangle ABC, angle A is twice angle B, and angle C is 30°. This is the measure of angle A.
100
This is the derivative of tan(x)
sec2x
The inflection point of a graph occurs where this changes sign.
second derivative