AP Precalculuseasymcq1 pt

The zeros of f(x) = x² − 4 are

A.x = ±2
B.x = 2 only
C.x = 4 only
D.no zeros

Explanation

Core Concept

x² − 4 = (x − 2)(x + 2).

Correct Answer

Ax = ±2

More Unit 1: Polynomial and Rational Functions practice questions

Try a random question →

Practice more AP Precalculus questions with full explanations

Practice Unit 1: Polynomial and Rational Functions Questions →