### About Coordinate Plane:

The rectangular coordinate plane, which is also known as the Cartesian coordinate plane is made up of two perpendicular number lines. The horizontal number line represents the x-axis and the vertical number line represents the y-axis. We will encounter problems that involve the quadrants of a coordinate plane, and how to graph points (ordered pairs) on the coordinate plane.

Test Objectives

- Demonstrate the ability to plot an ordered pair on the coordinate plane
- Demonstrate the ability to determine the quadrant of a given ordered pair

#1:

Instructions: plot each point, state its quadrant.

$$a)\hspace{.2em}(3,3)$$

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#2:

Instructions: plot each point, state its quadrant.

$$a)\hspace{.2em}(-4,-6)$$

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#3:

Instructions: plot each point, state its quadrant.

$$a)\hspace{.2em}(2,5)$$

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#4:

Instructions: plot each point, state its quadrant.

$$a)\hspace{.2em}(-6,3)$$

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#5:

Instructions: plot each point, state its quadrant.

$$a)\hspace{.2em}(3,-9)$$

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Written Solutions:

#1:

Solutions:

a) Quadrant I

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#2:

Solutions:

a) Quadrant III

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#3:

Solutions:

a) Quadrant I

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#4:

Solutions:

a) Quadrant II

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#5:

Solutions:

a) Quadrant IV