Coordinate Plane Concepts and Reflections

The video introduces the coordinate plane, explaining it as an infinite flat surface represented by two number lines: the x-axis and y-axis. It describes the four quadrants, each with unique characteristics based on positive and negative integers. The tutorial covers plotting points using ordered pairs, starting with the x-coordinate followed by the y-coordinate. It also explains reflections across the axes, illustrating how points can mirror each other across the x-axis and y-axis.

What is the nature of a coordinate plane?

• It is a finite surface.

• It is a flat surface that extends infinitely in all directions.

• It is a three-dimensional space.

• It is a circular surface.

What do we call the horizontal number line in a coordinate plane?

• w-axis

• y-axis

• z-axis

• x-axis

Which axis is vertical in the coordinate plane?

• w-axis

• y-axis

• z-axis

• x-axis

How many sections are created when the x-axis and y-axis intersect?

• Four

• Three

• Two

• Five

What is the name of the top right section of the coordinate plane?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Which quadrant contains positive x and positive y values?

• Quadrant II

• Quadrant III

• Quadrant IV

• Quadrant I

In which quadrant are both x and y values negative?

• Quadrant IV

• Quadrant III

• Quadrant II

• Quadrant I

What is the ordered pair for the origin?

• (1, 1)

• (0, 1)

• (0, 0)

• (1, 0)

When plotting a point, which coordinate is listed first?

• x-coordinate

• z-coordinate

• w-coordinate

• y-coordinate

What is the ordered pair for a point located at x = 3 and y = 5?

• (5, 3)

• (3, 5)

• (5, 5)

• (3, 3)