MaeganR
Standard Form? 10 Problems..
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MaeganR
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"Find the x- and y- intercepts of the graph of each equation."
#1. x+y=7
#3. 2x+3y=-6
#5. 5x-4y=-12
"Draw a line with the given intercepts."
#7. x-intercept: 4 y-intercept: 5
#9. x-intercept: -6 y-intercept: -8
"Graph each equation using x- and y- intercepts."
#11. -3x-6y=12
"For each equation, tell whether its graph is a horizontal or vertical line."
#13. y=-2
#15. y=-0.25
"Graph each equation."
#17. y=6
#19. y=-7
EVEN IF YOU HELP ME WITH ONE OF EACH FROM EACH SET OF INSTRUCTIONS THAT WOULD BE GREAT. THANKS FOR ALL OF YOU WHO HELP ME! (:
erdog82
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for finding the x and y intercepts just cover the other variable .. for example x+y= 7
cover the x and you get y=7 cover the y and you get x= 7
MaeganR
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so its 7?
erdog82
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yup, I believe so
erdog82
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try the same thing with the next two, when you think you have the answer, tell me it and I will tell u if its right
erdog82
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ok?
MaeganR
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crap. i just did #2 not #3 i only have to do odd. srry brb
erdog82
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kk- r u using a textbook?
MaeganR
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y=-2 x=-3
erdog82
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yup ☺
MaeganR
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we do have textbooks but my teacher doesn't let us use it. we only have what frayed diagrams she gives us and our workbook with just problems in it. ): the textbook would be reeeeally useful.
erdog82
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oh..
MaeganR
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yeah it sucks
erdog82
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yup
MaeganR
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#5. y=-3 x= -2.4 ?
erdog82
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y= 3 but yah
MaeganR
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oh yeah i see now #7 how do i do it. and btw i was out sick the whole week she taught all this so i never learned it so you're teaching me right now. (:
erdog82
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Oh.. ok ☺ I feel your pain, I was sick and I had to teach myself
MaeganR
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|dw:1358120315846:dw|
MaeganR
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#7. ?
erdog82
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no, you have to plot (0,5) and (4,0) on a graph and then just extend the line with a ruler
MaeganR
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oh. i knew that.............
erdog82
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yup ☺
MaeganR
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gotta go get a ruler brb
erdog82
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so do 7,9,and 11 because you now know how to do those ☺
erdog82
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kk
MaeganR
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ok ill be back in a few then
MaeganR
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11. y=-2 x=-4
erdog82
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yep!!
MaeganR
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#13, 15 i need help now..
erdog82
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ok the next 2 is hard to explain, but I remember it as "y ski" aka why ski.. if it is only y then it is horizontal, so why would you ski on no slope..
MaeganR
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so #13. y=-2 is horizontal? and #15. y=-0.25 is horizontal also?
erdog82
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yup!!
erdog82
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so for 17 and 19 you put a dot on the point it says and then extend the horizontal line with a ruler..
MaeganR
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wait, so if it was like x=0 or x= -3/5 it would be vertical? with a slope?
erdog82
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it would be vertical i think for the first one, i'm not sure about the second 1
MaeganR
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oh so anything with y is horizontal but x you have to find out?
erdog82
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i'm not 100% sure about x.. I am only just learning this stuff too
erdog82
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sorry
MaeganR
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oh lol
erdog82
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yup
erdog82
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so did u graph it?
MaeganR
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|dw:1358121722957:dw|
MaeganR
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|dw:1358121843564:dw|
erdog82
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the horizontal one
MaeganR
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so the first one ok
erdog82
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yeah
MaeganR
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let me do #19
MaeganR
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sorry to take up all your time
erdog82
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its okay but I have to go eat dinner- I will help you as soon as I get back ☺
MaeganR
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ok :)
erdog82
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I'm back
MaeganR
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ok