lo986
lo986
27-09-2017
Mathematics
contestada
Help me to solve this
Respuesta :
wizard123
wizard123
27-09-2017
[tex]y = mx +b[/tex]
m = slope = -2
solve for 'b' using given point (4,-3)
x = 4
y = -3
[tex]-3 = (-2)(4) + b \\ \\ -3 = -8 +b \\ \\ 5 = b[/tex]
Equation of the line:
[tex]y = -2x +5[/tex]
Answer Link
3mar
3mar
27-09-2017
y - y1 = m (x - x1)
where m is the slope and (x1 , y1) is the point given
m = -2
and the point is (4,-3)
then:
y +3 = -2 (x - 4)
y+3 = -2x + 8
y = -2x + 5
Answer Link
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