robertstalorm robertstalorm
  • 09-03-2020
  • Mathematics
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Unit Test Review
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What is the distance between (-13, 9) and (11, 2) on a coordinate grid?

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GeorgiaB55
GeorgiaB55 GeorgiaB55
  • 09-03-2020

Answer:

25

Step-by-step explanation:

You would use the distance formula.

d=

[tex] \sqrt{(x1 - x2) {}^{2} + (y1 - y2) {}^{2} } [/tex]

plug in your numbers to get

[tex] \sqrt{( - 13 - 11) {}^{2} + (9 - 2) {}^{2} } [/tex]

simplify down to get

[tex] \sqrt{( - 24) {}^{2} + (7) {}^{2} } [/tex]

solve the squared to get

[tex] \sqrt{576 + 49} [/tex]

add to get

[tex] \sqrt{625} [/tex]

which equals

25

because 25 is the square root of 625

(25×25=625)

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