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Formulas
Circles, Circles, Circles
Just the Facts
English, please!
100
Problems involving the comparison between two things or parts, often using words like "per" or "for each" or "for every," and typically expressed as a fraction or using a colon to separate the quantities.
Ratio(s)
100
Area of a triangle
100
A line that goes from the midpoint of a circle to the edge is called the...
radius
100
A number whose only factors are itself and 1
Prime
100
The letters in PEMDAS stand for...
P= Parenthesis
E= Exponents
M= Multiplication
D= Division
A=Addition
S= Subtraction
200
A type of problem that asks you to find the likelihood that something will happen. Answers are typically expressed as a fraction or a percentage.
Probability
200
Mean or Average
(Sum of all numbers) / (quantity of numbers being added) = average
200
A line that goes through the middle of a circle to touch both edges (across the entire width) is called the...
diameter
200
The total number of interior degrees within a triangle.
180
200
LCM stands for...
Least Common Multiple
300
A type of problem that sets up two fractions as equal to one another.
Proportion
300
Pythagorean Theorem
a2+B2=C2
300
The formula for the area of a circle
300
An expression containing only one term, such as 2x2
Monomial
300
In y = mx+b, the letter M stands for...
Slope
400
Problems that involve a number multiplied by 10 raised to a power - e.g. 4.5 x 104
Scientific Notation
400
Slope-intercept form of a line
y = mx+b
400
The formula for the circumference of a circle
pid
400
The category of numbers that includes negatives, positives, and zero, but does not include fractions or decimals.
Integer(s)
400
The letters in FOIL stand for...
F = Front (or first)
O = Outside (or outer)
I = Inside (or inner)
L = Last
500
Problems that use >, <,
<=
or
>=
Inequalities
500
Sum of interior angles within a polygon
(n-2)x180
500
The term for any line that touches two edges of a circle (regardless of whether the line crosses the midpoint)
chord
500
The term for the relationship between two angles that have a combined sum of 90 degrees.
Complementary
500
The vertical lines shown in an equation such as |x| = 5 are called...
Absolute value