asked 137k views
8 votes
The slope of the line below is -1/7.

Write a point-slope equation of the
using the coordinates of the labeled point.
(3,3)

asked
User Ghis
by
8.9k points

1 Answer

5 votes

Answer:

y = (-1/7)x + (24/7)

Explanation:

The general structure of a line in slope-intercept form is:

y = mx + b

In this form, "m" represents the slope and "b" represents the y-intercept.

You have been given the value of the slope (m = -1/7). You have also been given values for "x" and "y" from the point (3,3). Therefore, you can substitute these values in for their variables and simplify to find the value of the y-intercept.

y = mx + b <----- Slope-intercept form

y = (-1/7)x + b <----- Plug -1/7 into "m"

3 = (-1/7)(3) + b <----- Plug in "x" and "y" values from point (3,3)

3 = -3/7 + b <----- Multiply -1/7 and 3

24/7 = b <----- Add 3/7 to both sides

Now that you know that m = -1/7 and b = 24/7, you can determine the formula satisfying the given information.

y = (-1/7)x + (24/7)

answered
User JungleMan
by
9.2k points

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