Homework Help: algbra

Posted by bianca on Monday, February 28, 2011 at 11:46am.

Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph.

Find an equation in slope-intercept form passing through the points (-6.2,18.1) and (-3.4,18.1).

algbra - drwls, Monday, February 28, 2011 at 12:11pm
Part 1. We don't draw graphs here. You have not provided any equations, anyway.

Part 2. Both points have the same y value. You therefore have a horizontal line with equation y = 18.1

The slope is zero and the y-intercept is 18.2.
algbra - bianca, Monday, February 28, 2011 at 12:15pm
how would I do th equation on this problem?
algbra - Helper, Monday, February 28, 2011 at 1:21pm
drwls gave you the equation above.

"You therefore have a horizontal line with equation"
y = 18.1

points (-6.2,18.1) and (-3.4,18.1)
As drwls said above,
"The slope is zero and the y-intercept is 18.1."

The slope intercept form of an equation is,
y = mx + b
m = 0
y-intercept = 18.1
y = 0x + 18.1
y = 18.1 is the equation for the line.

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