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klemol [59]
3 years ago
9

What is the distance between P(12, 4) and Q(-8, 2)

Mathematics
2 answers:
abruzzese [7]3 years ago
6 0

\huge{\boxed{2 \sqrt{101}}}

The distance formula is \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}, where (x_1, y_1) and (x_2, y_2) are the points.

Substitute in the points. \sqrt{(2-4)^2+(-8-12)^2}

Subtract. \sqrt{(-2)^2+(-20)^2}

Solve the exponents. \sqrt{4+400}

Add. \sqrt{404}

Now, we can simplify this square root just a little bit. 404 has a square factor of 4. \sqrt{404}=\sqrt{4}*\sqrt{101}

The square root of 4 equals 2. \boxed{2 \sqrt{101}}

Ivanshal [37]3 years ago
3 0

Answer: 2\sqrt{101}

Step-by-step explanation:

The distance between two points can be calculated with the following formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Given the points  P(12, 4) and Q(-8, 2), we can identify that:

x_2=-8\\x_1=12\\y_2=2\\y_1=4

Then, substituing values into the formula, we get that the distance between these two points is:

d_{(PQ)}=\sqrt{(-8-12)^2+(2-4)^2}\\\\d_{(PQ)}=2\sqrt{101}

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