Question

Let u = <6, -9>, v = <1, -4>. Find u - v.

Choices:
<5, -5>
<10, -10>
<15, 5>
<7, -13>

Answer 1

u = <6, -9>
v = <1, -4>

u - v = <6, -9> - <1, -4>
u - v = <(6 - 1), (-9 + 4)>
u - v = < 5, -5>

The answer is A.