Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
Close
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

⇐ BackProceed to Checkout ⇒
There are no items in this cart.
Continue Shopping

What are the roots of the quadratic equation x² + 4x + 7 = 0?

What are the roots of the quadratic equation x² + 4x + 7 = 0?

Grade:7

2 Answers

Apptica Corporations
37 Points
7 years ago
This is a equation with imaginary roots. Discriminant<0 -2+i root3, -2-i root 3
bharat bajaj IIT Delhi
askIITians Faculty 122 Points
7 years ago
Discriminant = b^2 - 4ac = 4^2 - 4(1)(7) = 16 - 28 = -12 < 0
As D<0, the equation has complex roots.

x = -4 + v12 i / 2 = -2 + v3i
x = -2 - v3i
These are the roots of this equation where i is iota.
Thanks
Bharat Bajaj
IIT Delhi
askiitians faculty

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Register ICAT

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More