Solved on Dec 17, 2023

Find the equation of the line passing through the points (1,6) and (2,7).

STEP 1

Assumptions
1. The line passes through the points (1,6)(1,6) and (2,7)(2,7).
2. The equation of a line in slope-intercept form is y=mx+by = mx + b, where mm is the slope and bb is the y-intercept.

STEP 2

First, we need to find the slope of the line that passes through the two given points. The slope mm is defined as the change in yy divided by the change in xx.
m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1}

STEP 3

Now, plug in the coordinates of the two points into the slope formula.
Let (x1,y1)=(1,6)(x_1, y_1) = (1, 6) and (x2,y2)=(2,7)(x_2, y_2) = (2, 7).
m=7621m = \frac{7 - 6}{2 - 1}

STEP 4

Calculate the slope mm.
m=11=1m = \frac{1}{1} = 1

STEP 5

Now that we have the slope of the line, we can use one of the points and the slope to find the y-intercept bb of the line. We can use the point-slope form of the line equation:
yy1=m(xx1)y - y_1 = m(x - x_1)

STEP 6

Plug in the slope mm and the coordinates of one of the points into the point-slope form. We'll use the point (1,6)(1, 6).
y6=1(x1)y - 6 = 1(x - 1)

STEP 7

Now, solve for yy to get the equation in slope-intercept form.
y6=x1y - 6 = x - 1

STEP 8

Add 6 to both sides of the equation to isolate yy.
y=x1+6y = x - 1 + 6

STEP 9

Simplify the equation.
y=x+5y = x + 5

STEP 10

The equation of the line in slope-intercept form is:
y=x+5y = x + 5
This is the equation of the line that passes through the points (1,6)(1,6) and (2,7)(2,7).

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