Question

Find the inner product for (-4,9,8) . (3,2,-2) and state whether the vectors are perpendicular.
a
-10; no
c.
10; no
b.
-10; yes
d.
10; yes

Answer 1

Answer:

-10; no

Step-by-step explanation:

-4*3 + 9*2 + 8*-2 = -10

-10 does not equal 0 so it is not perpendicular