Understanding and generating non-linear equations in two or more variables

Graph the Function:
 $y=\sqrt{x}+4$  

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Graph      $y=\left(x-3\right)^2+4$  

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Which graph matches the equation?

 $y=\sqrt{x}$  

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Which is graph of

 $y=\sqrt{x}$  ?

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 $y=\sqrt{x+5}$  

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On which other planet in the Solar System have scientists observed snow falling?

• Venus

• Mars

• Jupiter

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I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Answer explanation

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I? 

This riddle aims to confuse you and get you to focus on the things that are missing: the houses, trees, and fish. You might guess you need to think about something inanimate.

Graph the equations

f(x) = x² + x

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What is the graph of the function?

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• The function cannot be graphed