Please solve with explanation

Mathematics

1 answer:

Alexxx [7]2 years ago

5 0

Answer:

E and F: (-1.5,2)

F and G: (3,2)

G and E: (1.5,5)

Step-by-step explanation:

a) The midpoint formula is (x2+x1) / 2 , (y2 + y1) / 2. So let's say your two points were (3,1) and (7,4). x2 would be 7 and x1 would be 3. (7 + 3) / 2 = 5. Follow the same steps for (7,4) and you would get (4 + 1) / 2 = 2.5. The middle of your line from (3,1) to (7,4) would be at (5, 2.5)

Use this for all of your points:

E and F: (-1.5,2)

F and G: (3,2)

G and E: (1.5,5)

I didn't have time to do the others but go to GeoGebra for a free graph.

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(2) Option (B) 4
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Explanations:
(2) The plus sign in the limit indicates that it is the right hand limit. So we have to approach to 2 from the right side of the graph. When we do that, we see the value of y = +4. Hence the correct option is (B) 4

NOTE: Although the question seems complex because there is slope involved but in this particular case, the examiner is concerned about the right hand limit.

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Step-by-step explanation: