One
The ______ is the distance of a number from zero on the number line; always non-negative.
The ______ is the distance of a number from zero on the number line; always non-negative.
Absolute Value
The U-shaped graph of a quadratic function
The U-shaped graph of a quadratic function
Parabola
A numerical factor multiplied by a variable in an algebraic expression
A numerical factor multiplied by a variable in an algebraic expression
coefficient
A mathematical phrase with numbers, variables, and operations but no equals sign
A mathematical phrase with numbers, variables, and operations but no equals sign
Algebraic Expression
The rate of change of a linear function
The rate of change of a linear function
slope
A relationship where one variable increases or decreases in direct proportion to another; written as y = kx
A relationship where one variable increases or decreases in direct proportion to another; written as y = kx
direct variation
A number written in the form a+bi, where a and b are real numbers and i is the imaginary unit.
A number written in the form a+bi, where a and b are real numbers and i is the imaginary unit.
Complex Number
Functions like sine, cosine, and tangent that relate angles to ratios of sides in triangles
Functions like sine, cosine, and tangent that relate angles to ratios of sides in triangles
trigonometric functions
A polynomial with exactly one term
A polynomial with exactly one term
monomial
All possible input (x-values) for a function
All possible input (x-values) for a function
Domain
Any number on a number line, including rational and irrational numbers
Any number on a number line, including rational and irrational numbers
real number
A method for rewriting a quadratic expression as a perfect square trinomial
A method for rewriting a quadratic expression as a perfect square trinomial
Completing the Square
A function that "undoes" another function
A function that "undoes" another function
Inverse function
An expression made of terms that are constants or variables raised to non-negative integer powers
An expression made of terms that are constants or variables raised to non-negative integer powers
polynomial
An angle whose vertex is the center of a circle; used frequently in trig and unit-circle definitions
An angle whose vertex is the center of a circle; used frequently in trig and unit-circle definitions
central angle