heyitslizzy13
  • heyitslizzy13
can anyone help me with any of these two problems please?(:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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heyitslizzy13
  • heyitslizzy13
FortyTheRapper
  • FortyTheRapper
For the first one, do you know the equation or slope atleast of each line?
heyitslizzy13
  • heyitslizzy13
for the one on the far right i believe m=2

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heyitslizzy13
  • heyitslizzy13
and the one on the left m= -1/2 ?
FortyTheRapper
  • FortyTheRapper
Correct on the first one, the second one is slightly off with your numerator though Looking at the answer choices and the graphs for the first one, I don't see an answer, because neither of the graphs have a slope of 1
heyitslizzy13
  • heyitslizzy13
what is the slope for the second one?
FortyTheRapper
  • FortyTheRapper
You go right 3 and down 2 to get an exact slope, making it -3/2
FortyTheRapper
  • FortyTheRapper
The answer choices ask for -x or x, which is -1 or 1, but neither line shows this
heyitslizzy13
  • heyitslizzy13
isn't it rise over run though? i'm kind of confused
heyitslizzy13
  • heyitslizzy13
oh wait no, okay i got it :)
heyitslizzy13
  • heyitslizzy13
so none of the answers are correct?
FortyTheRapper
  • FortyTheRapper
I don't see the answer on the first one. Not sure if the teacher messed up or something
heyitslizzy13
  • heyitslizzy13
aw okay thanks, could you help me on the second problem ?
FortyTheRapper
  • FortyTheRapper
Sure After doing the second one, that one has an answer So for the X>2 part of the peicewise, you have when x = 0, y= 1 and when x= -2, y = 5 From there, would you know how to find the slope?
heyitslizzy13
  • heyitslizzy13
how did you get those points?
FortyTheRapper
  • FortyTheRapper
So when we look at the second one, we have to dots Now, when we're on the X axis (The one going horizontally), what does y always equal? And when were on the Y axis, what does x always equal?
heyitslizzy13
  • heyitslizzy13
5 and 0?
FortyTheRapper
  • FortyTheRapper
Right on the second one. The x would always equal 0 since y axis is always a straight line For the first answer though, the x axis is always a straight line too, correct? So y would also equal what?
heyitslizzy13
  • heyitslizzy13
0?
FortyTheRapper
  • FortyTheRapper
Exactly! So for this problem, the lower dot shows a 1 on the y axis, so we have y=1. Since the dot is on one of those axis (The straight line), what would the x coordinate be?
heyitslizzy13
  • heyitslizzy13
0
FortyTheRapper
  • FortyTheRapper
Correct, so the first point was (0,1), aka x = 0, and y =1 Now for the second point. The dot has two numbers associated with it. You always do the X number first and then the Y
heyitslizzy13
  • heyitslizzy13
okay but shouldn't that 2 be a negative two?.. since its going left
heyitslizzy13
  • heyitslizzy13
like (-2,5)

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