Quiz about Distance Formula

Question 1

How is the distance formula correctly written:

Accepted Answer

$$d\ =\ \sqrt{\left(x_1-\ x_2\right)^2\ +\ \left(y_{1_{\ }}-\ y_2\ \right)^2}$$

Answer

$$d\ =\ \sqrt{\left(y_{1\ }-\ y_2\right)^2\ -\left(x_{2\ }-\ x_1\right)^2}\ $$

Answer

$$d\ =\ \sqrt{\left(y_{1\ }-\ y\ _2\right)^2\ +\ \left(x_{2\ }-\ x_1\right)}^2$$

Answer

d = $$\sqrt{\left(x\right)^2-\ \left(y\right)^2}$$

Question 2

A(3,1) B(-2,-1) written correctly is:

Accepted Answer

$$\sqrt{\left(-2-3\right)^2\ +\ \left(-1-1\right)^2}$$

Answer

$$\sqrt{\left(1-3\right)^2\ +\ \left(-1-2\right)^2}$$

Answer

$$\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}$$

Answer

$$\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}$$

Question 3

A(-2,4) B(2,0) is written as

Accepted Answer

$$d\ =\ \sqrt{\left(-2-2\right)^2\ +\ \left(4-0\right)^2}$$

Answer

$$d\ =\ \sqrt{\left(4-2\right)^2\ -\ \left(0-2\right)^2}$$

Answer

$$d\ =\ \sqrt{\left(4-0\right)^2\ -\ \left(-2-2\right)^2}$$

Answer

$$d\ =\ \sqrt{\left(-2\ +0\right)^2\ +\ \left(4+2\right)^2}$$

Question 4

What is the distance between AB

Accepted Answer

8

Answer

0

Answer

9

Answer

7

Question 5

What is the distance between AB?

Accepted Answer

5

Answer

0

Answer

undefined

Answer

4

Question 6

Find the distance.

Accepted Answer

7.8

Answer

7.1

Answer

8.7

Answer

8.9

Question 7

Find the distance.

Accepted Answer

11.7

Answer

9.7

Answer

10.7

Answer

12.7

Question 8

Find the distance between J and K.

Accepted Answer

8.2

Answer

7.7

Answer

9

Answer

10.2

Question 9

Find the distance between (-4, 5) and (7, 18).

Accepted Answer

17.03

Answer

15.96

Answer

16.08

Answer

16.23

Question 10

Find the distance between (-3, -11) and (8, -42).

Accepted Answer

32.9

Answer

32.1

Answer

32.3

Answer

32.7

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