3. Coordinate Geometry

Fill in the blanks:
Point (0 , -7) lies______

• on the x-axis
• in the second quadrant
• on the y-axis
• in the fourth quadrant

x-coordinate of a point is also known as _____

• Ordinate

• Origin

• Abscissa

• Ordered pair

The point at which the two coordinate axes meet is called ______

• abscissa
• ordinate
• origin
• quadrant

If y-coordinate of a point is zero, then this point always lies:

• in I quadrant
• in II quadrant
• on x - axis
• on y - axis

The point whose ordinate is 4 and which lies on y-axis is _____

• (4 , 0)
• (0 , 4)
• (1 , 4)
• (2, 4)

Say 'TRUE' or 'FALSE'
Point (1 , -1) and (-1 , 1) lies in the same quadrant

• TRUE
• FALSE

What is the mirror image of (3 , 9) considering x-axis as mirror?

• (3 , -9)

• (9 , 3)

• (-9 , -3)

• (-3 , -9)

Name the quadrant in which the point (-5 , -4) lie

• I QUDRANT
• II QUADRANT
• III QUADRANT
• IV QUADRANT

The sign of x-coordinate of a point lying in the IV quadrant is 

• +
• -
• ±
• None of the above

The figure obtained by plotting the points (2 ,3), (-2, 3), (-2, -3) and (2, -3) is _________

• Trapezium
• Rectangle
• Square
• Rhombus