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Answer:
Yes, the right angle is angle C.
Step-by-step explanation:
The given triangle has vertices at A(–2, 3), B(–3, –6), and C(2, –1).
Recall the slope formula;
The slope of the line going through AC is
The slope of the line going through BC s
The product of the slopes of AC and BC is
This means line AC is perpendicular to BC at C.
Hence the triangle ABC is right angled at C.
For this case we have the following expressions:
So:
Indicates all values less than or equal to -2.
That is, from -∞ to -2.
Indicates all values greater than or equal to 0.
That is, from 0 to ∞.
The "or" means that they do not intersect. So, the correct graph is option A.
Answer:
Option A