### Home > PC > Chapter 12 > Lesson 12.1.1 > Problem 12-11

12-11.

Notice that if

*p*=**(**1, −2**)**and, then *pM*= 3*p*= (3, −6). Homework Help ✎Find some other vector (or 1 × 2 matrix)

*q*=such that *qM*= 3*q*.Find a value for

*x*such that the vector*r*=has the property *rM*= −2*r*.