Question

Let u = <7, -3>, v = <-9, 5>. Find 4u - 3v.

<55, -27>

<1, 3>

<16, 12>

<-8, -6>

Answer 1

4u = <4*7; 4*(-3)>
Find 3v in the same way, and then subtract them the way we did earlier.

Answer 2

gotcha, i tried doing it the way we did earlier on my paper but i multiplied last instead of first