What are the solutions to the equation r^2=4 ?

The solutions to the equation r^2=4 are r=2,r=-2

Find the zeros of r^2=4

The zeros of r^2=4 are r=2,r=-2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

r^{2} = 4

r = 2, r = - 2

Solution steps

r^{2} = 4

For

x^{2} = f (a)

the solutions are

x = f (a), - f (a)

r = 4, r = - 4

4 = 2

- 4 = - 2

r = 2, r = - 2

4 x^{2} + 15 x - 4 = 0

100 x^{2} + 120 x + 36 = 0

3 x^{2} - 4 x - 8 = - 6

6 y^{2} = - 7 y - 3

x^{2} + 5 x + 38 = 4 - 3 x

What are the solutions to the equation r^2=4 ?
The solutions to the equation r^2=4 are r=2,r=-2
Find the zeros of r^2=4
The zeros of r^2=4 are r=2,r=-2