Sequences
Quick Math
Terminology
Math Trivia
Systems of Equations
100

This is an ordered set of numbers where the next number in the sequence can be found by multiplying the number before it by a common ratio.

What is a geometric sequence?

100

45//3

What is 15?

100

This property of a square can be found my multiplying its side length by itself.

What is the area?

100

If you multiply this number by the diameter of a circle, you will get the circumference.

What is  \pi ?

100

Two linear equations with the SAME SLOPE but DIFFERENT Y-INTERCEPTS have this kind of solution

What is "no solution?"
200

For any sequence, only these are valid values of  n 

What are positive integers?

200


9//2.25

What is 4?

200

The d in the equation a_n = a_n+d(n-1) represents this.

What is the common difference?

200

The trigonometric ratios between the opposite leg and the adjacent leg.

What is the tangent?

200

The slope of this line.

What is -3/5?

300

The 10th term in this sequence:


4,7,10,13...

What is 31?

300

sqrt(3^2+4^2)

What is 5?

300

This property states that if a=b and   b=c  then a=c 

What is the transitive property?

300

This letter is used in calculus and math to denote the square root of negative one.

What is  i ?

300

Two equations in a system with infinite solutions appear as this on a graph. 

What is the same line?

400
This is a valid equation to find the common difference of an arithmetic sequence.

Answers may vary. Sample answer:

What is 

d = a_n - a_{n-1}

400

x-5/8=7/8-2x

What is 1/2?

400

This is how long it takes for half of the material to decay.

What is half life?

400

The expression  (1+1/n)^n approaches this number as  n approaches positive infinity.

What is 

 e\approx2.7182818 

400

The following system has this solution:

y=x+4

y=5x-1

What is 

(5/4,21/4)

500

The common ratio in a geometric sequence where 2 is the first term and 4.5 is the third term.

What is 1.5?

500

8/13*13/24

1/3

500

Two angles whose measure sums to 180 are called this.

What is supplementary?

500

Euler's Identity states that

 e^{\pii}+1= this number

What is 0?

500

If one line has a slope of  m and another has a slope of  -1/m , these two lines will intersect in this manner.

What is perpendicular?

Or, what is a right angle?