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Mathematics 9 Online
OpenStudy (anonymous):

Determine the type of slope of the line that passes through the points (6, -6) and (-6, 6) Positive slope Negative slope No slope (undefined) Slope of zero

OpenStudy (azureilai):

You can graph it, or just look at the relationship between the x-y values between the points. At -6, the y value is 6, and at 6, the y value is -6. So the y value is decreasing between the two points. Now, imagine a line connecting the two points, Is it positive or negative?

OpenStudy (anonymous):

postive

OpenStudy (azureilai):

Why do you say that?

OpenStudy (anonymous):

because the 6 comes before -6

OpenStudy (azureilai):

Hmm, you shouldn't think of it that way. So imagine a graph|dw:1381201035670:dw| Now connect a line between the two points. Do you still think the slope is positive?

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