Which one of the following vectors is perpendicular to ?

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Which one of the following vectors is perpendicular to a=(5,−2)\mathbf{a}=(5,-2)? (a) (−2,5)(-2,5) (b) (2,5)(2,5) (c) (5,2)(5,2) (d) (2,−5)(2,-5)

Related theory

Browse the problem library