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Algebra 8 Online
OpenStudy (anonymous):

Anyone know how to do this??

OpenStudy (anonymous):

no

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

Gee thanks @satellite73 -___- lol

OpenStudy (anonymous):

.

OpenStudy (anonymous):

@vishweshshrimali5

OpenStudy (aum):

How about an upright image?

OpenStudy (anonymous):

Lol gotcha hang on @aum

OpenStudy (anonymous):

Better

OpenStudy (aum):

|dw:1405650011176:dw|

OpenStudy (anonymous):

better

OpenStudy (vishweshshrimali5):

Much better :D

OpenStudy (anonymous):

Oh nowww you want to help me lol @satellite73

OpenStudy (vishweshshrimali5):

@satellite73 much much better :P You got him @MelllB

OpenStudy (anonymous):

So you don't change the sign to an = sign? @aum

OpenStudy (aum):

Graph y > - x + 1 I have graphed y = -x + 1 The slope is -1 which is a -45 degree line. The y intercept is 1 and so is the x intercept. make this a dotted line because it is > or < inequality and not >= or <=

OpenStudy (aum):

The region above the line is y > - x + 1 The region below the line is y < - x + 1

OpenStudy (anonymous):

Okay because when I typed in y=-x-1 it have me solid line and I thought the graph had to look exactly like that I didn't know I had to make it dash even thiugh I do know >< are dotted and <= >= are solid

OpenStudy (anonymous):

@aum

OpenStudy (anonymous):

And I got -1,0 0,-1

OpenStudy (aum):

Yes when you give it an equation y equals -x - 1, it will always draw a solid line. Then we have to manually change the line to dashed because we are plotting y "greater than" -x - 1.

OpenStudy (anonymous):

Got it but when I did it I got (-1,0) and (0,-1) @aum

OpenStudy (aum):

No. You should mark the point (+1, 0) on the x-axis. Then mark another point (0, +1) on the y-axis. Draw a straight line through those two points.

OpenStudy (anonymous):

Okay why is that?

OpenStudy (aum):

Just like the diagram I drew above. Except with a dotted line.

OpenStudy (aum):

y = -x + 1 put x = 0, then y = +1 put y = 0, then x = +1. So the line passes through the points (0, 1) and (1, 0)

OpenStudy (anonymous):

How did you get that ?? @aum

OpenStudy (aum):

Get what? How I got (0, 1) and (1, 0) ? The work is shown above. Just plug in the value into the equation y = -x + 1.

OpenStudy (aum):

I want to know where the line y = -x + 1 crosses the y-axis. On the y-axis, x is zero. So I put x = 0 in the equation y = -x + 1. y = -0 + 1 = 1. So y-intercept is 1. Similarly, I want to know where the line y = -x + 1 crosses the x-axis. On the x-axis, y is zero. So I put y = 0 in the equation y = -x + 1. 0 = -x + 1. Add x to both sides and you get x = 1. So x-intercept is 1.

OpenStudy (anonymous):

Ohhhhhhhhhh got it. Now how'd you get. So now how did you get 0,1 ?

OpenStudy (anonymous):

Nevermind the y answer you gave me turns into (0,1) and the x is 1,0)

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