Grade 9 - Mathematics - Coordinate Geometry Quiz

In which quadrant (2,-1) lie?

• I

• II

• III

• IV

The ordinate of (-2,-3) is ____________.

• -2

• 2

• -3

• 3

The mirror image of point (-3,-5) in y-axis is _________.

• (-3,5)

• (-5,-3)

• (3,-5)

• (3,5)

Rene Descartes was a

• Indian Mathematician

• French Mathematician

• Russian Mathematician

• British Mathematician

The point M lies in the IV quadrant. The co-ordinate of point M is ___________.

• (a,b)

• (-a,b)

• (a,-b)

• (-a,-b)

The point which lies on y-axis at a distance of 6 units in the negative direction of y-axis is ____________.

• (0,6)

• (6,0)

• (-6,0)

• (0,-6)

The number of parts, the coordinates axes divide the plane are ___________.

• Two parts

• Four parts

• Six parts

• Eight parts

Where do the four quadrants meet?

• at O

• in x-axis

• in y-axis

• do not meet

The line of intersection of IV and I quadrants is

• x-axis

• y-axis

• at O

• do not intersect

If the points A(2,0), B(-6,0) and C(3,a-3) lies on the x-axis, then the value of a is ________.

• 0

• 2

• 3

• -6