How do you graph $y = x^{2} + 1$ $y=x^2 + 1$ ?

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How do you graph $y = x^{2} + 1$ $y=x^2 + 1$ ?

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Answer 1 · 2016-04-13T15:47:51

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Explanation:

The equation defines a curve.

Plotting points on the graph:

When $x = 0$ $x=0$
Then, $y = 0 + 1$ $y=0+1$
$\Rightarrow y = 1$ $=>y=1$

When $x = 1$ $x=1$
Then, $y = 1 + 1$ $y=1+1$
$\Rightarrow y = 2$ $=>y=2$

When $y = 2$ $y=2$
Then, $2 = x^{2} + 1$ $2=x^2+1$
$\Rightarrow x^{2} = 1$ $=>x^2=1$
$\Rightarrow x = \sqrt{1}$ $=>x=sqrt1$
$\Rightarrow x = + 1, - 1$ $=>x=+1, -1$

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How do you graph $y = x^{2} + 1$ $y=x^2 + 1$ ?

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Explanation:

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