Functions Vocabulary

What is the coordinate pair at the center of the plane called?

• Quadrant

• x-axis

• Origin

• Ordered Pair

What is the term for the horizontal major axis on the coordinate plane?

• y-axis

• Origin

• Quadrant

• x-axis

Which term describes a set of coordinates written as (x, y)?

• Line

• Ordered Pair

• Curve

• Input

What is a function?

• A set of ordered pairs

• The number you substitute for x

• A relation that assigns every input to exactly one output

• A check that determines whether a graph is a function

What does the Vertical Line Test determine?

• If a graph represents a function whose rate of change is constant

• If a relation is a function

• If a function has a positive rate of change

• If a set of solutions forms a straight path

What is the term for the vertical major axis on the coordinate plane?

• y-axis

• Origin

• Quadrant

• x-axis

Which term refers to a function whose rate of change is not constant and whose graphs are curves?

• Linear

• Nonlinear

• Constant Rate of Change

• Increasing

What is the initial value of a function?

• The result that you get from a function

• The number that a function represents a real-life scenario starts from

• The number you substitute for x

• A part of a function whose rate of change is positive

What does it mean if a part of a function is increasing?

• Its rate of change is negative

• Its rate of change is not constant

• Its rate of change is zero

• Its rate of change is positive

What does it mean if a part of a function is decreasing?

• Its rate of change is positive

• Its rate of change is constant

• Its rate of change is negative

• Its rate of change is not constant