What are the coordinates of the vertex of the parabola ?

Answer and explanation

Correct answer: C.

  1. Step 1: Complete the square to get .
  2. Step 2: The vertex is .
Answer
.
Why not the others: : the sign of the -coordinate is reversed. : it uses the -intercept as the -coordinate. : the coordinates are swapped.

Practise more Quadratic Functions.

Free questions with an explanation for every one, and full timed EJU Japan mock tests.

All Quadratic Functions questionsTake a mock test

More Quadratic Functions questions