Linear Functions Vocabulary Quiz

What is a linear function?

• A function whose graph is a straight line

• A function whose graph is a circle

• A function whose graph is a parabola

• A function whose graph is a hyperbola

What is the equation of a linear function?

• y = mx + b

• y = ax^2 + bx + c

• y = a/x

• y = x^2 + y^2 = r^2

What do intercepts represent on a graph?

• The point where the graph crosses the x or y-axis

• The steepness of the line

• The highest point on the graph

• The lowest point on the graph

How are intercepts written?

• As ordered pairs

• As single numbers

• As fractions

• As inequalities

What does the slope of a line describe?

• The steepness of the line

• The color of the line

• The length of the line

• The width of the line

What is the ratio used to calculate the slope?

• Change in y-values to change in x-values

• Change in x-values to change in y-values

• Change in y-values to change in z-values

• Change in z-values to change in x-values

What does the positive inequality using x represent?

• The value of x when y > 0

• The value of x when y < 0

• The value of y when x > 0

• The value of y when x < 0

What does the negative inequality using x represent?

• The value of x when y < 0

• The value of x when y > 0

• The value of y when x < 0

• The value of y when x > 0

What does the domain of a function represent?

• All possible x-values

• All possible y-values

• The highest point on the graph

• The lowest point on the graph

How do we look at a graph to determine the domain?

• Left to right

• Bottom to top

• Top to bottom

• Right to left