Given and , determine the scalar so that…

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Given

\mathbf{p}=\langle 1,2,-3\rangle

and

\mathbf{q}=\langle 4,-1,2\rangle

, determine the scalar

k

so that

\mathbf{p}\cdot(k\mathbf{q})=10