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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
9.2 Coordinate Plane - Quadrants

If we place two number lines at right angles, intersecting at their origins, we obtain a two-dimensional rectangular coordinate system. It is also called Cartesian coordinate system. The number lines intersect at the origin. The horizontal line is called the x-axis. The vertical line is called the y-axis.

The plane into which the coordinates system is introduced is the coordinate plane or xy-plane. The x-axis and y-axis divide the plane into four region, or quadrants. The points on the x-axis or y-axis belong to no quadrant.

  • In the first quadrant Q1 the coordinates x and y are (+,+). That is a positive real number and a positive real number.
  • In the second quadrant Q2 the coordinates x and y are (-,+). That is a negative real number and a positive real number.
  • In the third quadrant Q3 the coordinates x and y are (-,-). That is a negative real number and a negative real number.
  • In the fourth quadrant Q4 the coordinates x and y are (+,-). That is a positive real number and a negative real number.




Directions: Choose the correct answer. Also take a graph paper and draw 4 quadrants and plot 30 points in all the four quadrants.
Q 1: The point (4,8) lies in ______ quadrants.
Third
Fourth
Second
First

Q 2: The point (4,-8) lies in ______ quadrants.
Fourth
Second
First
Third

Q 3: The point (-3,-5) lies in ______ quadrants.
First
Second
Third
Fourth

Q 4: The point (-3,5) lies in ______ quadrants.
Second
Third
First
Fourth

Q 5: The point (3,-5) lies in ______ quadrants.
Second
Third
Fourth
First

Q 6: The point (-4,8) lies in ______ quadrants.
Third
First
Fourth
Second

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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