Question

The distance of a point P(-8, -15) from the origin is ___ units

• A. 16
• B. 17
• C. 10
• D. 20

Answer 1

The correct option is B

17

The distance of P(-8, -15) from the origin O(0, 0) is

$P{O}^2=(0-(-8{)}^2)+(0-(-15){)}^2$

$P{O}^2=8^2+{15}^2$ (8 -15 -17 Pythagoras Triplet)

$P{O}^2={17}^2$

$PO=17$ units

Hence (B).