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1 answer:
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Answer:
X=[24,,-33]
Step-by-step explanation:
The given equation is :
We multiply through by 3 to get:
Solve for x to get:
The entries are: A=[-12 -3] B= [-12 10]
Let X=[a,b]
We substitute the entries to get:
[a,b]=[-12,-3]-3[-12,10]
We simplify the Right Hand Side to get:
[a,b]=[-12,-3]-[-36,30]
We simplify further to get:
[a,b]=[-12--36,-3-30]
This implies that:
[a,b]=[24,-33]
Hence, X=[24,-33]
Answer:
option 1
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Calculate m using the slope formula
m =
with (x₁, y₁ ) = A(1, 6) and (x₂, y₂ ) = B(5, - 2)
m = =
= - 2
Use either of the 2 points for (a, b)
Using (a, b) = (5, - 2) , then
y - (- 2) = - 2(x - 5) , that is
y + 2 = - 2(x - 5)
