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A line that a curve approaches but never quite touches, no matter how far it extends.
Example: y = 0 is a horizontal asymptote of y = 1/x.The amount of space enclosed within a two-dimensional shape.
Example: the area of a rectangle is length × width.An algebraic expression made up of exactly two terms, joined by + or −.
Example: x + 5 and 3a − 2b are both binomials.The numerical factor that multiplies a variable in a term.
Example: in 7x, the coefficient is 7.The distance around the outside of a circle.
Example: circumference = 2πr.A measure of how a function's output changes as its input changes — the slope of the function at a point.
Example: the derivative of x² is 2x.The complete set of possible input (x) values for a function.
Example: the domain of √x is all x ≥ 0.A mathematical statement that two expressions are equal, connected by an "=" sign.
Example: 2x + 3 = 11.A number or expression that divides another number or expression exactly, with no remainder.
Example: 3 and 4 are factors of 12.A rule that assigns exactly one output to each input.
Example: f(x) = x + 2 assigns 7 to the input 5.The longest side of a right triangle, opposite the right angle.
Example: in a 3-4-5 triangle, 5 is the hypotenuse.A whole number that can be positive, negative, or zero — no fractions or decimals.
Example: −3, 0, and 42 are all integers.The reverse process of differentiation, often used to find the area under a curve.
Example: ∫x dx = x²/2 + C.The average of a set of numbers, found by summing them and dividing by how many there are.
Example: the mean of 2, 4, 6 is 4.The middle value in a data set when the numbers are arranged in order.
Example: the median of 1, 3, 9 is 3.An expression made of variables and coefficients, combined using addition, subtraction and non-negative whole-number exponents.
Example: 3x² − 5x + 2.A measure of how likely an event is to occur, expressed as a number from 0 to 1.
Example: the probability of flipping heads is 0.5.An equation where the highest power of the variable is 2.
Example: x² − 5x + 6 = 0.A comparison of two quantities showing how many times one contains the other.
Example: a ratio of 3:2 means 3 parts to 2 parts.The distance from the center of a circle to any point on its edge.
Example: if the diameter is 10, the radius is 5.A measure of the steepness of a line, calculated as rise over run.
Example: a line through (0,0) and (2,4) has slope 2.A measure of how spread out a set of numbers is from the mean.
Example: a small standard deviation means values cluster close to the mean.A statement that has been proven true using logical reasoning and previously established facts.
Example: the Pythagorean Theorem.A letter or symbol used to represent an unknown or changeable value.
Example: in 2x + 3, x is the variable.The highest or lowest point of a parabola, or the point where two lines/edges meet.
Example: the vertex of y = x² is at (0,0).The point(s) where a graph crosses the x-axis, where y = 0.
Example: y = x − 4 has an x-intercept at (4, 0).No terms match your search. Try a different word.
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