Quadratic Formula Calculator

The JavaScript function for solving a quadratic equation.

Install

$ npm install quadratic-roots-function

Usage

import {solveEquation} from 'quadratic-roots-function';

solveEquation(1, -3, -4);
// [4.0, -1.0]

solveEquation(1, 2, 1);
// [-1.0]

solveEquation(2, 4, 6);
// []

API

import {solveEquation} from 'quadratic-roots-function';

solveEquation(a, b, c);

Parameters

| Parameter | Type | Required | Description | | --- | --- | --- | --- | | a | Number | Yes | The quadratic coefficient | | b | Number | Yes | The linear coefficient | | c | Number | Yes | The constant |

Returns

• when both roots are real, returns an array with two roots;
• when only one root is real, returns an array with one root;
• when both roots are imaginary, returns an empty array.