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In the rectangular coordinate system, what is the distance between (−4

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In the rectangular coordinate system, what is the distance between (−4  [#permalink]

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New post 25 Feb 2019, 02:32
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

94% (00:58) correct 6% (01:26) wrong based on 34 sessions

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Re: In the rectangular coordinate system, what is the distance between (−4  [#permalink]

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New post 25 Feb 2019, 04:31
1
Bunuel wrote:
In the rectangular coordinate system, what is the distance between (−4, 3) and (6, −2)?

A. \(5\sqrt{2}\)
B. \(5\sqrt{5}\)
C. \(6\sqrt{3}\)
D. \(6\sqrt{5}\)
E. \(7\sqrt{2}\)



use distance formilw
√(x2-x1)^2+(y2-y1)^2
we get
\(5\sqrt{5}\)
IMO B
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Re: In the rectangular coordinate system, what is the distance between (−4  [#permalink]

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New post 03 Mar 2019, 19:51
1
Bunuel wrote:
In the rectangular coordinate system, what is the distance between (−4, 3) and (6, −2)?

A. \(5\sqrt{2}\)
B. \(5\sqrt{5}\)
C. \(6\sqrt{3}\)
D. \(6\sqrt{5}\)
E. \(7\sqrt{2}\)


Using the distance formula, we have:

Distance = √[(6 - (-4))^2 + (-2 - 3)^2]

Distance = √[(10)^2 + (-5)^2]

Distance = √125

Distance = √25 x √5

Distance = 5√5

Answer: B
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Re: In the rectangular coordinate system, what is the distance between (−4   [#permalink] 03 Mar 2019, 19:51
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