Standard Form? 10 Problems..

- MaeganR

Standard Form? 10 Problems..

- chestercat

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- MaeganR

"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! (:

- anonymous

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

so its 7?

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## More answers

- anonymous

yup, I believe so

- anonymous

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

- anonymous

ok?

- MaeganR

crap. i just did #2 not #3 i only have to do odd. srry brb

- anonymous

kk- r u using a textbook?

- MaeganR

y=-2 x=-3

- anonymous

yup ☺

- MaeganR

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.

- anonymous

oh..

- MaeganR

yeah it sucks

- anonymous

yup

- MaeganR

#5. y=-3 x= -2.4 ?

- anonymous

y= 3 but yah

- MaeganR

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. (:

- anonymous

Oh.. ok ☺ I feel your pain, I was sick and I had to teach myself

- MaeganR

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- MaeganR

#7. ?

- anonymous

no, you have to plot (0,5) and (4,0) on a graph and then just extend the line with a ruler

- MaeganR

oh. i knew that.............

- anonymous

yup ☺

- MaeganR

gotta go get a ruler brb

- anonymous

so do 7,9,and 11 because you now know how to do those ☺

- anonymous

kk

- MaeganR

ok ill be back in a few then

- MaeganR

11. y=-2 x=-4

- anonymous

yep!!

- MaeganR

#13, 15 i need help now..

- anonymous

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

so #13. y=-2 is horizontal? and #15. y=-0.25 is horizontal also?

- anonymous

yup!!

- anonymous

so for 17 and 19 you put a dot on the point it says and then extend the horizontal line with a ruler..

- MaeganR

wait, so if it was like x=0 or x= -3/5 it would be vertical? with a slope?

- anonymous

it would be vertical i think for the first one, i'm not sure about the second 1

- MaeganR

oh so anything with y is horizontal but x you have to find out?

- anonymous

i'm not 100% sure about x.. I am only just learning this stuff too

- anonymous

sorry

- MaeganR

oh lol

- anonymous

yup

- anonymous

so did u graph it?

- MaeganR

|dw:1358121722957:dw|

- MaeganR

|dw:1358121843564:dw|

- anonymous

the horizontal one

- MaeganR

so the first one ok

- anonymous

yeah

- MaeganR

let me do #19

- MaeganR

sorry to take up all your time

- anonymous

its okay but I have to go eat dinner- I will help you as soon as I get back ☺

- MaeganR

ok :)

- anonymous

I'm back

- MaeganR

ok

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