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Popular Functions >

range of x^2-8

Solution

range

x^{2} - 8

Solution

f (x) \geq - 8

+1

Interval Notation

[- 8, \infty)

Solution steps

Vertex of

x^{2} - 8 :

Minimum

(0, - 8)

For a parabola

a x^{2} + b x + c

with Vertex

(x_{v}, y_{v})

If

a < 0

the range is

f (x) \leq y_{v}

If

a > 0

the range is

f (x) \geq y_{v}

a = 1,

Vertex

(x_{v}, y_{v}) = (0, - 8)

f (x) \geq - 8

Graph

Popular Examples

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intercepts of (x-9)/2

Frequently Asked Questions (FAQ)

What is the range of x^2-8 ?
The range of x^2-8 is f(x)>=-8