Question

Find the distance between the two points.

✓ [?]
(-1,-2)
(3,-1)
Enter the number that
goes beneath the
radical symbol.

Answer 1

d = √17, meaning that the number that goes beneath the radical symbol is 17.

Explanation:

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`\text{Use the distance formula.}\\d=√((x_2-x_1)^2+(y_2-y_1)^2)\\\text{Substitute the points.}\\d=√((3-(-1))^2+((-1)-(-2))^2)\\\text{Subtract.}\\d=√((4)^2+(1)^2)\\\text{Evaluate the powers of 2.}\\d=√(16+1)\\\text{Add.}\\d=√(17)`