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What is the distance between (4,7) and (2,2)? Choose 1 Answer: A: √10 B:√29 C: 8 D: 9
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What is the distance between (4,7) and (2,2)?

Choose 1 Answer:

A: √10

B:√29

C: 8

D: 9

User Jack The Baker
by
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1 Answer

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\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 4}}\quad ,&{{ 7}})\quad % (c,d) &({{ 2}}\quad ,&{{ 2}}) \end{array}\qquad % distance value d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2} \\\\\\ d=√((2-4)^2+(2-7)^2)\implies d=√((-2)^2+(-5)^2) \\\\\\ d=√(4+25)\implies d=√(29)
User Halil Ibrahim
by
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