Identify the vertex for each of the following quadratic functions

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Identify the vertex for each of the following quadratic functions, and state whether the vertex is a minimum or a maximum. (1)

f(x) = 3(x + 1)^2 - 2

(2)

f(x) = 7x^2 - 56x + 1

(3)

f(x) = -\left(x + \frac{3}{4}\right)^2 + \frac{5}{4}

(4)

f(x) = -3x^2 + 9x + 8