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Popular >

-2x^2+1>= 0

Solution

- 2 x^{2} + 1 \geq 0

Solution

- \frac{1}{2} \leq x \leq \frac{1}{2}

+2

Interval Notation

[- \frac{1}{2}, \frac{1}{2}]

Decimal Notation

- 0.70710 \dots \leq x \leq 0.70710 \dots

Solution steps

- 2 x^{2} + 1 \geq 0

Move

1

to the right side

- 2 x^{2} \geq - 1

Multiply both sides by

- 1

2 x^{2} \leq 1

Divide both sides by

2

x^{2} \leq \frac{1}{2}

For

u^{n} \leq a

, if

n

is even then

- \frac{1}{2} \leq x \leq \frac{1}{2}

Popular Examples

1 = 2 x - 2

simplify (sqrt(64))/(sqrt(4))simplify

\frac{64}{4}

simplify (2!)/(1!(2-1)!)simplify

\frac{2 !}{1 ! ( 2 - 1 ) !}

simplify 1/6*1/6*1/6 simplify

\frac{1}{6} \cdot \frac{1}{6} \cdot \frac{1}{6}

x^{2} = 11 x - 24

Frequently Asked Questions (FAQ)

What is -2x^2+1>= 0 ?
The solution to -2x^2+1>= 0 is -sqrt(1/2)<= x<= sqrt(1/2)