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Mathematics 16 Online
OpenStudy (anonymous):

Need help please

OpenStudy (anonymous):

wats the question ??

OpenStudy (anonymous):

OpenStudy (anonymous):

here is the question i dont get ( it's above )

OpenStudy (anonymous):

@radar

OpenStudy (anonymous):

@mathslover

OpenStudy (anonymous):

Please Help

OpenStudy (anonymous):

@mind2000 @amistre64 @andriod09 @a

OpenStudy (radar):

What do we know about the slope of a line perpendicular to another line where the slope is known??

OpenStudy (radar):

Speak.

OpenStudy (radar):

You rang?

OpenStudy (radar):

What is the slope of the line that is given in the problem?

OpenStudy (radar):

Y = -X + 6 That is the line equation of the line that is given. What is the slope of that line ??

OpenStudy (radar):

Are you prepared to work on line equations?

OpenStudy (anonymous):

oh sorry i had left slope of Y = -X + 6 is -1

OpenStudy (radar):

Very good, now what would the slope of the line that is perpendicular to that line be?

OpenStudy (anonymous):

??

OpenStudy (radar):

Have you ever heard the term "reciprocal"?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

reciprocal : The multiplicative inverse of a number. For example, 2 divided by 3 is the reciprocal of 3 divided by 2.

OpenStudy (anonymous):

thats what i have learned (it definition )

OpenStudy (radar):

Good you will need to know what reciprocal means, a perpendicular line to that given line will have a slope that is the "negative reciprocal" of the slope of the given line. What is the negative reciprocal of -1 ?

OpenStudy (anonymous):

1

OpenStudy (radar):

To keep within the bounds of your definition look at -1 as -1/1 The reciprocal of -1 is 1/-1 or -1 Now the negative of that is 1, yes, I see you have already figured that out. Great lets move on.

OpenStudy (radar):

Use the slope formula: We know that the slope will be a positive 1, and the slope is defined as change in y divided by the change in x (delta y/delta x)|dw:1372689737452:dw|

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