Write an equation of the line that passes through a pair of points: -5, -2 3, -1

Answer: option B is correct.
Step-by-step explanation:
The equation of a straight line can be represented in the slope-intercept form, y = mx + c
Where c = intercept
Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis represent
change in the value of y = y2 - y1
Change in value of x = x2 -x1
y2 = final value of y
y 1 = initial value of y
x2 = final value of x
x1 = initial value of x
The line passes through (- 5, - 2) and (3, - 1),
y2 = - 1
y1 = - 2
x2 = 3
x1 = - 5
Slope,m = (- 1 - - 2)/(3 - - 5) = 1/8
To determine the intercept, we would substitute x = 3, y = - 1 and
m = 1/8 into y = mx + c. It becomes
- 1 = 1/8 × 3 + c
- 1 = 3/8 + c
c = - 1 - 3/8 = - 11/8
The equation becomes
y = x/8 - 11/8
Answer:
b. y = 1/8 x - 11/8.
Step-by-step explanation:
The slope = rise / run
= (-1 -( -2)) / (3 - (-5))
= 1/ 8.
y = mx + c where m = the slope and c = the y-intercept, so we have:
y = 1/8 x + c Substituting the point x = 3 and y = -1:
-1 = 1/8 (3) + c
c = -1 - 1/8 (3)
c = -1 3/8 = -11/8