15. Find the equation of the line specified.

The slope is 7, and it passes through (8,6) ...

a. y = 7x - 50

b. y = 14x - 50

c. y = 7x + 6

d. y = 7x + -62

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

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 slope of the line is 7 and it passes through (8,6).

To determine the intercept, we would substitute x = 8, y = 6 and m = 7 into y = mx + c. It becomes

6 = 7 * 8 + c

c = 6 - 56 = - 50

The equation becomes

y = 7x - 50