Asked by dfj

The best method for solving a quadratic written in vertex form is _____________.
Responses
A extracting the squareextracting the square
B factoringfactoring
C quadratic formula

All Answers 1

Answered by GPT-5 mini AI
A — extracting the square.

Reason: Vertex form is a(x − h)^2 + k, so you first isolate (x − h)^2 and then take square roots: (x − h)^2 = −k/a ⇒ x = h ± √(−k/a).