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Mathematics 14 Online
OpenStudy (anonymous):

What is the slope of the line perpendicular to -2y=3x+5 ? please help me

OpenStudy (mathstudent55):

To find the slope of a line, write the equation of the line in the slope-intercept form, \(y = mx + b\). To do that, solve the equation for y. Then the slope, m, can be read directly off the equation.

OpenStudy (mathstudent55):

Do you know how to solve \( - 2y = 3x + 5\) for \(y\)?

OpenStudy (anonymous):

no i have no idea how to do that :/ @mathstudent55

OpenStudy (mathstudent55):

On the left side of the equation you have -2y. You want y by itself. What operation is being done to y to get -2y?

OpenStudy (anonymous):

subtract 5

OpenStudy (anonymous):

y=-7/3

OpenStudy (mathstudent55):

No. Forget the 5. Look at the left side of the equation only. The left side of the eqaution is the side to the left of the equal sign which is only -2y. Got it?

OpenStudy (anonymous):

i dont get it im sorry @mathstudent55

OpenStudy (mathstudent55):

Ok, we'll go over it step by step. Here's the equation, ok? |dw:1374515631176:dw|

OpenStudy (mathstudent55):

This is the left side of the equation, ok? |dw:1374515689676:dw|

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