Algebra 2 - Second Semester Vocabulary

a number of the form a + bi where a and b are real numbers, and b ≠ 0

• Real Number
• Integer
• Quadratic Equation
• Complex Number

a term or expression with no variables; a value that does not change

• Variable
• Constant
• Quadratic Equation
• Complex Number

the set of input values of a function or relation

• Variable
• Constant
• Domain
• Range

the set of output values of a function or relation

• Variable
• Constant
• Domain
• Range

a closed, symmetric curve shaped like an oval, which can be formed by intersecting a cone with a plane that is not parallel or perpendicular to the cone's base The set of points for which the sum of the distances to two foci within the curve are congruent.

• Parabola
• Circle
• Ellipse
• Hyperbola

a plane curve having two branches, formed by the intersection of a plane with both halves of a right circular cone at an angle parallel to the axis of the cone It is the locus of points for which the difference of the distances from two given points is a constant.

• Parabola
• Circle
• Ellipse
• Hyperbola

the set of points that are a fixed distance from a given point

• Parabola
• Circle
• Ellipse
• Hyperbola

a U-shaped curve that is the graph of a quadratic function

• Parabola
• Circle
• Ellipse
• Hyperbola

a value that includes the square root of a negative number

• Radical Number
• Imaginary Number
• Real Number
• Constant Number

the solution(s) of a quadratic equation

• values
• constants
• roots or zeros
• power