Understanding Quadratic Functions
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
A
Axis of symmetryThe vertical line that divides a parabola into two mirror-image halves. | |
C
CoefficientA number multiplying a variable. | |
Continuous domainA domain containing every real value within an interval. | |
D
DegreeThe highest exponent of the variable in a polynomial. | |
Discrete domainA domain consisting of separate permitted values. | |
DiscriminantThe expression b² − 4ac, which determines the number of real roots of a quadratic equation. | |
DomainThe set of all allowed input values of a function. | |
I
InterceptA point where a graph meets a coordinate axis. | |
Interval notationA way to describe a continuous set of numbers using boundaries and brackets. | |
M
Maximum pointThe highest point of a downward-opening parabola. | |