en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

4x^2-16>= 0

Solution

4 x^{2} - 16 \geq 0

Solution

x \leq - 2 or x \geq 2

+1

Interval Notation

(- \infty, - 2] \cup [2, \infty)

Solution steps

4 x^{2} - 16 \geq 0

Move

16

to the right side

4 x^{2} \geq 16

Divide both sides by

4

x^{2} \geq 4

For

u^{n} \geq a

, if

n

is even then

x \leq - 4 or x \geq 4

4 = 2

x \leq - 2 or x \geq 2

Popular Examples

8 - x = 10

simplify pi/(pi/2)simplify

\frac{π}{\frac{π}{2}}

factor-9x^3+72x^5 factor

- 9 x^{3} + 72 x^{5}

simplify (8x)^{2/3}simplify

(8 x)^{\frac{2}{3}}

factor z^2-z-20 factor

z^{2} - z - 20

Frequently Asked Questions (FAQ)

What is 4x^2-16>= 0 ?
The solution to 4x^2-16>= 0 is x<=-2\lor x>= 2