Unit 2 Vocabulary Test (Dean, Dixon, Jones, Baxter)

Front

What is a coordinate system formed by the intersection of a horizontal number line (x-axis) and a vertical number line (y-axis)?

Back

Coordinate Plane

Front

What is the second number of an ordered pair that corresponds to a number on the y-axis?

Back

Y-coordinate

Front

What is the name of the vertical axis on a coordinate plane?

Back

Y-axis

Front

What type of function cannot be represented by a line and often appears as a curve, with a rate of change that is not constant?

Back

Nonlinear Function

Front

What is the name of the horizontal axis on a coordinate plane?

Back

X-axis

Front

What is the term for a pair of numbers that represent a point in a coordinate plane?

Back

Ordered Pair

Front

What is the distance from the origin to a point (x, y) in a coordinate plane?

Back

The distance is calculated using the formula √(x² + y²).

Front

What is the term for a function that can be represented by a straight line on a graph?

Back

Linear Function

Front

What is the formula for the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1)

Front

What does the term 'quadrants' refer to in a coordinate plane?

Back

The four sections created by the x-axis and y-axis.