SOLUTION: please can helpe me If you know that there is a straight line that passes through the points (1.7) and the point (0.4), does this straight line pass through the point (2.9)? E

Question 1166309: please can helpe me
If you know that there is a straight line that passes through the points (1.7) and the point (0.4), does this straight line pass through the point (2.9)?
Explain your answer.
thaks
Found 2 solutions by Alan3354, solver91311:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If you know that there is a straight line that passes through the points (1,7) and the point (0.4), does this straight line pass through the point (2.9)?
===============
From (0,4) to (1,7) x changes 1, y changes 3
From (1,7) to (2,9) x changes 1, y changes 2
Different slope --> not on the line.
=====================
Use commas in the points, (2,9) not (2.9)

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Using the coordinates of the two given points, use the Two-Point form of an equation of a straight line to derive an equation representing the line that passes through the two given points.

When you have your equation, substitute the coordinate values in the questioned point for the variables x and y in the equation. Do the arithmetic. If you get a true statement, then the tested point is on the line. Otherwise, not.

John

My calculator said it, I believe it, that settles it

I > �

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