**Plotting points on a coordinate plane worksheet :**

Here we are going to see some practice questions on plotting the points on a coordinate plane.

Points to remember when plotting the given points in a coordinate plane :

**If the given point is in the form (+, +), then it will be located on the 1st quadrant**

**If the given point is in the form (-, +), then it will be located on the 2nd quadrant**

**If the given point is in the form (-, -), then it will be located on the 3rd quadrant**

**If the given point is in the form (+, -), then it will be located on the 4th quadrant**

**If the given point has the value 0 in x-coordinate, then it will be located on y-axis.**

**If the given point has the value 0 in y-coordinate, then it will be located on x-axis.**

(1) Plot the point (-2, 2) on the coordinate plane.

(2) Plot the point (4, -2) on the coordinate plane.

(3) Plot the point (-3, -4) on the coordinate plane.

(4) Write the ordered pair that describes a point 12 units down from and 7 units to the right of the origin.

(5) Write the ordered pair for a point that is 9 units to the left of the origin and lies on the x-axis.

(6) The diagram at the right shows the positions of artifacts found on the ocean floor. Write the coordinates of the location for each object: coins, plate, goblet, and vase

(7) Plot the point (0, -1) on the coordinate plane.

(8) Plot the point (5, 0) on the coordinate plane.

**Question 1 :**

Plot the point (-2, 2) on the coordinate plane.

**Solution :**

The given point is in the form (-, +), so it will located on 2nd quadrant.

**Question 2 :**

Plot the point (4, -2) on the coordinate plane.

**Solution :**

The given point is in the form (+, -), so it will located on 4th quadrant.

**Question 3 :**

Plot the point (-3, -4) on the coordinate plane.

**Solution :**

The given point is in the form (-, -), so it will located on 3rd quadrant.

**Question 4 :**

Write the ordered pair that describes a point 12 units down from and 7 units to the right of the origin.

**Solution :**

To write the required ordered pair, let us read the question once again.

12 units down ==> -12

7 units right ==> + 7

Hence, the required point is (-12, 7)

**Question 5 :**

Write the ordered pair for a point that is 9 units to the left of the origin and lies on the x-axis.

**Solution :**

To write the required ordered pair, let us read the question once again.

9 units to the left of the origin ==> -9

It lies on the x-axis. So, the value of y coordinate will be 0.

Hence, the required point is (-9, 0)

**Question 6 :**

The diagram at the right shows the positions of artifacts found on the ocean floor. Write the coordinates of the location for each object: coins, plate, goblet, and vase.

**Solution :**

**Question 7 :**

Plot the point (0, -1) on the coordinate plane.

**Solution :**

In the given point, the x-coordinate value is 0. So, the required point must be located on y- axis.

**Question 8 :**

Plot the point (5, 0) on the coordinate plane.

**Solution :**

In the given point, the x-coordinate value is 0. So, the required point must be located on y- axis.

After having gone through the stuff given above, we hope that the students would have understood "Plotting points on a coordinate plane".

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