Math ! i'm trying to use dot products and vectors for my pre-calc class..:
let u = < -6, 1> , v = < -5, 2> . find -4u + 2v.
i thought i knew how to do it but when solved i don't get any of the answers available:
< 34, -8> , < 14, 0> , < 14, 3> , < 44, -12>

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )