Destinyyyy
  • Destinyyyy
Does anyone on here know how to solve these two questions??
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Destinyyyy
  • Destinyyyy
Please explain how to solve.
arindameducationusc
  • arindameducationusc
@Nnesha will help you
Destinyyyy
  • Destinyyyy
For the viewing rectangle Id like to know how to solve it with a TI- 84 calculator

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More answers

anonymous
  • anonymous
did i help u yesterday? or was i wrong
Destinyyyy
  • Destinyyyy
All you did yesterday was give me the answer. I want to know how to solve it.
anonymous
  • anonymous
ohhh ok
anonymous
  • anonymous
well for the first attachment u have u look at ur answers and try to match it up cuz with the muliple choice it either A. give all fase and 1 true or B. give u the correct one and gives u mixed up mumbo jumbo.
Destinyyyy
  • Destinyyyy
What?
anonymous
  • anonymous
so for example the answer choice A is y^2=1-3x well -3x is in the correct slot but 1 is not so thats not the answer so for By^2=-3-x well x is 0 so that means that there is no -3 in its y slot to created a y^2 for C y^=x+1 there is a x and tere is a 1 in the y slot beside the x so look theres one answer thats may be it and D y^2=x-3 there is a x but in the y there is no -3 only -2 and -5 so that rules all of the choices but C soo understand a bit better
Destinyyyy
  • Destinyyyy
Id like to know how to solve the first problem first.
anonymous
  • anonymous
i jst told u
anonymous
  • anonymous
ok u have u questions pulled up right
Destinyyyy
  • Destinyyyy
Yes I have both showing. And everything you've said makes no sense.
anonymous
  • anonymous
so for multiple choice A what does it say
Destinyyyy
  • Destinyyyy
@Nnesha @arindameducationusc said you can help me
Destinyyyy
  • Destinyyyy
I have no clue it has a bunch of lines.
anonymous
  • anonymous
\[Y _{2}=1-3x\]
Nnesha
  • Nnesha
|dw:1439994605469:dw| when you substitute x for its value you should get y_2 value
anonymous
  • anonymous
uh i try kk sorry
Destinyyyy
  • Destinyyyy
Um? y2= 1-3 (-3) like that? But how do I know which is right?
Destinyyyy
  • Destinyyyy
I assume it has to be true 0=0 ?
Nnesha
  • Nnesha
|dw:1439994744780:dw| substitute x for its value in all equation you should correspons y_2 value
Nnesha
  • Nnesha
gimee a sec m*backspace* button isn't working on this page brb
Destinyyyy
  • Destinyyyy
Okay... I dont quite understand "substitute x for its value in all equation you should correspons y_2 value "
Nnesha
  • Nnesha
|dw:1439994998298:dw| okay when x= -3 y_2 should be equal to 0 now start with option A \[\huge\rm y_2 =1-3x\] replace x with -3 do you get 0 ?
Destinyyyy
  • Destinyyyy
It equals 10
Nnesha
  • Nnesha
but it should corresponds to y_2 you should get 0 not 10 so that's why A is wrong
Nnesha
  • Nnesha
|dw:1439995292780:dw| substitute x by its value
Destinyyyy
  • Destinyyyy
It equals 0
Nnesha
  • Nnesha
okay now to make sure you should plugin other x value |dw:1439995411064:dw| when you plug in -1 for x you should get -2 and so on
Destinyyyy
  • Destinyyyy
Okay so the correct answer is B. I have a few other questions like this could you explain them?
Nnesha
  • Nnesha
i'll try
Destinyyyy
  • Destinyyyy
Does the graph of Y2 pass through the origin? The graph crossed the the y-axis at? (ordered pair) The graphs of Y1 and Y2 intersect at the points
Nnesha
  • Nnesha
|dw:1439995835823:dw| origin when x and y coordinate equal to 0
Nnesha
  • Nnesha
|dw:1439995919110:dw| y-intercept is a point where line cross y-axis
Nnesha
  • Nnesha
|dw:1439995962596:dw| solution where both lines intersect
Nnesha
  • Nnesha
|dw:1439996005052:dw| this is the equation for y_2 right now find y_1 equation use same x values but when you substitute x for its value you should get y_1 values this time
Destinyyyy
  • Destinyyyy
Um which question are you explaining??
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Destinyyyy Does the graph of Y2 pass through the origin? The graph crossed the the y-axis at? (ordered pair) The graphs of Y1 and Y2 intersect at the points \(\color{blue}{\text{End of Quote}}\) it's a part of first question right ?
Destinyyyy
  • Destinyyyy
I have no clue. Everything your saying is my only example. I dont know how to solve any of this. My book doesnt show anything. But an example I just found says to solve for the origin by the X=0 and the Y2=0 if both are not 0 then the answer is no.
Destinyyyy
  • Destinyyyy
The three questions are separate.
Nnesha
  • Nnesha
yes right . so we need to TWO EQUATIONS to graph so then we can find y-intercept
Destinyyyy
  • Destinyyyy
Um okay??
Nnesha
  • Nnesha
btw i can give you a hind so then you don't have to graph them.
Nnesha
  • Nnesha
hint*
Nnesha
  • Nnesha
y-intercept is a point where line cross y-axis when x=0 so when x=0 y_1 equal to what and y_2 equal to what look at the table
Destinyyyy
  • Destinyyyy
Y1= 1 Y2= -3
Nnesha
  • Nnesha
yes right so (0,1)(0,-3)
Nnesha
  • Nnesha
now last one when they intersect at what value of x , y_1 and y_2 values are same
Destinyyyy
  • Destinyyyy
Are you asking what value of x has y1 and y2 the same or all three the same??
Nnesha
  • Nnesha
no just y_1 and y_2 should be the same
Destinyyyy
  • Destinyyyy
Okay. X=2
Nnesha
  • Nnesha
yes right so they intersect at (2,-5)
Nnesha
  • Nnesha
to find answer of first question *Does the graph of Y2 pass through the origin?* origin is a point when x and y = 0 x=0 y =0 so you can replace x with 0 into y_2 equation if you get 0 for y then yes otherwise answer is no
Destinyyyy
  • Destinyyyy
Ohhh.. I thought it was no if the y didnt have 0 in the chart.. Does it have to be y2 or can it be y1?
Destinyyyy
  • Destinyyyy
Can you show me how to solve the first problem I posted? The viewing rectangle.
Destinyyyy
  • Destinyyyy
I can post it in a new question if you want.
Nnesha
  • Nnesha
no they are asking for y_2 so when x=0 y_2 must equal to 0
Destinyyyy
  • Destinyyyy
Okay
Nnesha
  • Nnesha
hmm not sure about the 2nd one sorry.
Destinyyyy
  • Destinyyyy
Thats okay. Thank you for explaining the other ones!
Nnesha
  • Nnesha
my pleasure :=)
arindameducationusc
  • arindameducationusc
@Destinyyyy Sorry I could not help you today, I had to go outside. I will definitely help you next time....
Destinyyyy
  • Destinyyyy
That's okay,

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