vera_ewing
  • vera_ewing
Math question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
vera_ewing
  • vera_ewing
ytrewqmiswi
  • ytrewqmiswi
c
Nnesha
  • Nnesha
use-the-slope-foruMa to find slope \[\frac{ y_2-y_1 }{ x_2-x_1 }\]

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Nnesha
  • Nnesha
x's&y's vallues are (x_1,y_1)(x_2,y_2)now substitute x's and y's
vera_ewing
  • vera_ewing
so y = 4/3x - 25/3 ??
Nnesha
  • Nnesha
how did you get that?? how did__you__get__(_25/3)y_intercept?
Nnesha
  • Nnesha
show_ur_work_plz
vera_ewing
  • vera_ewing
Oh wait no it should be y = 4/3x - 10/3 right?
Nnesha
  • Nnesha
show_ur_work_so_i_can_find_out_the_Msitakes instead wasting_tiMe_at_guessing
vera_ewing
  • vera_ewing
I just substituted into the equation and used Mathway
Nnesha
  • Nnesha
what_did_u_substitute? did_you__get_A?_B?__C_or_D_as_a_final_Answer?
ytrewqmiswi
  • ytrewqmiswi
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vera_ewing
  • vera_ewing
4/3x-10/3
vera_ewing
  • vera_ewing
That's what you got too, right?
Nnesha
  • Nnesha
alright_what_did_you_type_into_the_calculator?
vera_ewing
  • vera_ewing
5-(-3)/10-4 and I got 4/3 for the slope
Nnesha
  • Nnesha
right_so_slOpe_is 4/5 y=mx+b(slope_intercept_form)) m=sslope b=y_intercept substitute m__for 4/5 and pick_one_of_the_order_pair_for x andy then_solve_for_B
vera_ewing
  • vera_ewing
Slope is 4/3x not 4/5
Nnesha
  • Nnesha
broken//keyboard sorry abt late coment
vera_ewing
  • vera_ewing
Ok so the answer is A?
Nnesha
  • Nnesha
no slope is 4/5 x is variable not the slope
Nnesha
  • Nnesha
\[\huge\rm y=mx+b\] slope intercept form equation where m is slope and b is y-intercept
vera_ewing
  • vera_ewing
Is the answer A then?
Nnesha
  • Nnesha
well let's solve for b \[\huge\rm y=mx+B\] substitute m for 4/5 and let (x,y) (4,-3) {you can pick 2nd order pair you will get the same answer) substitute x and y for (4,-3) solve for b
Nnesha
  • Nnesha
remember in this order pair (4,-3) first number represent x_coordinate and 2nd number = y-coordinate
Nnesha
  • Nnesha
so replace m with 4/5 x with 4 y with -3 then solve for b
vera_ewing
  • vera_ewing
-31/5
Nnesha
  • Nnesha
ahh i see what you were saying there *faceplam*
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @vera_ewing Slope is 4/3x not 4/5 \(\color{blue}{\text{End of Quote}}\) yes i meant to say 4/3 i thought you were including x for slope sorry about that
Nnesha
  • Nnesha
\[-3=\frac{ 4 }{ 3}(4)+b\] multiply 4/3 by 4
vera_ewing
  • vera_ewing
Ok the answer is C right?
vera_ewing
  • vera_ewing
-25/3
Nnesha
  • Nnesha
yes. b=y-intercept

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