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I don’t know how to solve this please help

I don’t know how to solve this please help-example-1
User Jeffknupp
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1 Answer

8 votes

Answer:

Only the first point lies on the line and thus, Anders is incorrect

Explanation:

Here, we want to show that Anders is incorrect

we simply substitute the values of his coordinates into the equation of the line

for (10,420)

we have;

420 = 40(10) + 20

420 = 420

This is right

We now test the second given point;

-420 = 40(-10) + 20

-420 = -400 + 20

-420 is not -380

User Sanka Sanjeeva
by
8.7k points

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