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Mathematics 15 Online
Tautitanna:

Point K is at (−5, 2) and Point L is at (6, 2). The distance from Point K to Point L is _____ units.

AZ:

Do you know the distance formula? \( \Large\text{Distance} = \sqrt{ (\color{cyan}{x_2} -\color{red}{x_1})^2 + (\color{green}{y_2} - \color{orange}{y_1)}^2 } \) where you have two points \(\Large (\color{red}{x_1}, \color{orange}{y_1})\) and \(\Large (\color{cyan}{x_2}, \color{green}{y_2})\) So your two points are \((\color{red}{-5}, \color{orange}{2})\) and \((\color{cyan}{6}, \color{green}{2})\)

AZ:

you could also plot your two points on a graph and count since they're both on the same line

AZ:

What's the distance between them? You can just count the squares since each square is one unit long

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Tautitanna:

ok so is it 12??

AZ:

close but count again

AZ:

we're going from -5 to 6 so basically 6 - (-5) = ?

Tautitanna:

k umm......13 or 11

AZ:

count count how much is it from -5 to 0 and then how much is it from 0 to 6

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