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enot [183]
3 years ago
8

Mathematics Mh Slope

Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
6 0

Answer:y=-3x+4

Step-by-step explanation: use the y=mx+b equation.

alisha [4.7K]3 years ago
4 0

Answer:

Step-by-step explanation:

(1,1)  (-1,7)

m = y₂ -y₁ / x₂-x₁

= (7 - 1) / (-1-1) = 6/ -2

= -3

y - y₁  = m ( x-x₁)

y - 1 = -3 (x - 1)

y- 1 = -3x + 3

y = -3x + 3 + 1

y = -3x +4

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X+y+2=-5 -2x-y+2=-1 x-2y-2=0 solve algebraically
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Answer:

x+y+2=-5 -2x-y+2=-1 x-2y-2=0 solve algebraically

x+y+2=-5     equation 1

-2x-y+2=-1    equation 2

x-2y-2=0      equation 3

Add equation 1 + 2+ 3

x+y+2=-5 + -2x-y+2+1 + x-2y-2

x+y+2= -7+2+1-2x+x+y

x+y+2= -4-x+y

x+y+2+4+x-y= 0

2x+6= 0

2x= -6

divide both side by 2

x= -3

from equation 1 insert x

x+y+2=-5

since x=-3

then, -3+2+y= -5

-1+y= -5

y= -5+1

y= -4

Step-by-step explanation:

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