10. Which of the following is the equation of a line that passes through (-2,-1) and (-4,-3)?
A. y=2x+1
B. y=x+1
C. y=2x-1
D. y=x-1

B) y=x+1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-(-1))/(-4-(-2))

m=(-3+1)/(-4+2)

m=-2/-2

m=1

y-y1=m(x-x1)

y-(-1)=1(x-(-2))

y+1=(x+2)

y+1=x+2

y=x+2-1

y=x+1

Step-by-step explanation:

hello : answer B

because : when  x= -2  y= -2+1=-1

                 when : x=-4   y=-4+1 = -3

g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)

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