Understanding Quadrants and Axes

Fill in the blanks to help you understand the coordinate plane.

___________ number lines go left and right.

• horizontal

• vertical

• coordinate plane

• quadrant

• When a horizontal number line and a vertical number line intersect at 0, they form a __________________.

• horizontal

• vertical

• coordinate plane

• quadrant

• Each of the sections in a coordinate plane is called a ____________

• horizontal

• vertical

• coordinate plane

• quadrant

The coordinate plane is divided into _________ sections.

• 1

• 2

• 3

• 4

A _______________ flips a point over a line, such as the x-axis or y-axis.

• reflection

• y-coordinate

• y-axis

• both axes

Which quadrant has the ordered pair ( +, -)?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Which quadrant has the ordered pair ( -, -)?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

• Changing the sign of the y-coordinate in an ordered pair reflects the point over the _________.

• y- axis

• x- axis

• both axes

• point of origin

• Changing the sign of the x-coordinate in an ordered pair reflects the point over the _________.

• y- axis

• x- axis

• both axes

• point of origin

What is the reflected point over the x-axis of the original point (2, 3)

• (-2, -3)

• (-2, 3)

• (2, -3)

• (2, 3)