Math Problem Statement

Write an equation of the line that passes through the given points. ​(negative 4​,6​) and ​(1​,1​)

Solution

To find the equation of the line passing through the points (4,6)(-4, 6) and (1,1)(1, 1), follow these steps:

Step 1: Find the slope of the line

The formula for the slope, mm, is: m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1}

Substitute the given points (x1,y1)=(4,6)(x_1, y_1) = (-4, 6) and (x2,y2)=(1,1)(x_2, y_2) = (1, 1): m=161(4)=51+4=55=1m = \frac{1 - 6}{1 - (-4)} = \frac{-5}{1 + 4} = \frac{-5}{5} = -1

So, the slope m=1m = -1.


Step 2: Use the point-slope form of the line equation

The point-slope form is: yy1=m(xx1)y - y_1 = m(x - x_1)

Substitute m=1m = -1 and one of the points, such as (4,6)(-4, 6): y6=1(x(4))y - 6 = -1(x - (-4)) y6=1(x+4)y - 6 = -1(x + 4)

Simplify: y6=x4y - 6 = -x - 4 y=x+2y = -x + 2


Final Answer:

The equation of the line is: y=x+2y = -x + 2

Let me know if you'd like further explanation!


Related Questions:

  1. What is the slope of the line passing through (2,3)(2, 3) and (4,7)(4, 7)?
  2. How do you convert a line equation in point-slope form to slope-intercept form?
  3. What is the significance of the slope in a line equation?
  4. Can you find the equation of a vertical line passing through a given point?
  5. What is the general formula for finding the slope between two points?

Tip:

Always double-check your slope calculation when working with negative values to avoid sign errors.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Linear Equations
Slope

Formulas

Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Slope-intercept form: y = mx + b

Theorems

Fundamental properties of linear equations

Suitable Grade Level

Grades 8-10