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## Physics, Math, Bio, Chem and Standardized Exam Tutor

### Hatfield, PA (19440)

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# Which line is perpendicular to the line y = x + 5 ? (answer)

In order for a line to be perpendicular to any line given i the slope intercept form it must, the slope (m) must be the negative reciprocal of that given. Thus, if you are given a slope m, any line with a slope -(1/m) will be perpendicular to that line.    In your case, since...

# the slope of the line through the points (3,-4) and (-7,10) is (answer)

the slope of a line, given two points P1 and P2 can be found from using the formula (relationship) for the slope of a line (m) (3,-4) and (-7,10) m = Δy/Δx = (y2 - y1)/(x2 - x1) = (10 - (-4))/((-7) - 3) = 14/(-10) = -7/5 it doesn't matter which point use choose as P1 or P2...

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## Greeting Wyzant Community

Greetings Wyzant community, prospective students, fellow tutors: I have just returned from my studies abroad and am ready to begin teaching again. Please take a look at my profile. My education ranges from my Masters in Physics, to my undergrad degrees in physics, biology and music. I just completed the coursework for a masters program in peace and conflict resolution as well. Aside... read more

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