What is the centre of the circle ?

Answer and explanation

Correct answer: D.

  1. Step 1: Complete the square in and : .
  2. Step 2: The centre is .
Answer
.
Why not the others: : The signs of the coordinates were reversed. : The coefficients of and were used directly. : The coordinates were swapped.

Practise more Spatial Geometry and Integral Calculus.

Free questions with an explanation for every one, and full timed Thanawiya Amma (Egypt) mock tests.

All Spatial Geometry and Integral Calculus questionsTake a mock test

More Spatial Geometry and Integral Calculus questions