Levyson M.

asked • 02/17/22

Coodinat geometry

What is the simplest way to know how to solve coodinat geometry questions please?


Philip P.

tutor
In general, plot the points on a coordinate plane. You can plot them by hand or using an app such as Desmos.com or Geogebra.com. After that, it depends on what the question is asking you to do.
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02/17/22

Doug C.

For sure you should become adept at using the distance formula, the midpoint formula, the slope formula, finding the equation of a line through two given points or given a slope and a point. finding equation of perpendicular bisector, and more. You might want to explore some of the advanced techniques that can be used on Desmos. This graph will give you some ideas: desmos.com/calculator/iejkbqdfkf
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02/18/22

1 Expert Answer

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Jaime D. answered • 02/19/22

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There is no simple way. If they are asking about the middle of a line segment in any way, use the midpoint formula (the average of the x values, the average of the y-values.)


If they are asking about the length of segments, you need to use the distance formula, which just looking for the hypotenuse in the Pythagorean Theorem.


If they are asking about perpendicular or parallel lines, you should use the slope formula. Slopes of parallel lines are equal and slopes of perpendicular lines are opposite in sign and reciprocals.


The formulas need care to use as you can easily make a mistake with a negative sign, etc.

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