6 over negative 10, because you just multiply the numerator and denominator by 2
(a-b) X (a+b)
= aXa - bXa +aXb -bXb (distributing)
Now, cross product of a vector with itself = 0
so, aXa = 0, bXb = 0
Also, aXb = - bXa
so,
(a-b) X (a+b) = 0 + aXb + aXb + 0
= 2aXb
hence, proved :)
16x - 3x = x is the Given,
16 = 4x is the Addition Property of Equality,
and
4 = x is the Division Property of Equality!
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Answer:
A, C, and D.
Step-by-step explanation:
The other does not go through the origin, therefore it is not proportional.
