Math Problem Statement

Write the equation of the line passing through the points left parenthesis 55 comma 6 right parenthesis and left parenthesis negative 5 comma negative 6 right parenthesis .

Solution

To find the equation of the line passing through the points (55,6)(55, 6) and (5,6)(-5, -6), we can use the point-slope form of the equation of a line, which is:

yy1=m(xx1)y - y_1 = m(x - x_1)

where mm is the slope of the line, and (x1,y1)(x_1, y_1) is a point on the line.

Step 1: Calculate the Slope mm

The slope mm is calculated using the formula:

m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1}

Substitute the given points (x1,y1)=(55,6)(x_1, y_1) = (55, 6) and (x2,y2)=(5,6)(x_2, y_2) = (-5, -6):

m=66555=1260=15m = \frac{-6 - 6}{-5 - 55} = \frac{-12}{-60} = \frac{1}{5}

Step 2: Use the Point-Slope Form

Using the point (55,6)(55, 6) and the slope m=15m = \frac{1}{5}, the equation becomes:

y6=15(x55)y - 6 = \frac{1}{5}(x - 55)

Step 3: Simplify to Slope-Intercept Form (Optional)

We can simplify the equation to the slope-intercept form y=mx+by = mx + b:

y6=15x555y - 6 = \frac{1}{5}x - \frac{55}{5}

y=15x11+6y = \frac{1}{5}x - 11 + 6

y=15x5y = \frac{1}{5}x - 5

Final Answer

The equation of the line is:

y=15x5y = \frac{1}{5}x - 5

Would you like more details or have any questions?

Here are some related questions:

  1. How do you convert a linear equation from point-slope form to standard form?
  2. What is the significance of the slope in the equation of a line?
  3. How do you find the equation of a line parallel to another line passing through a specific point?
  4. Can you explain how to find the equation of a line perpendicular to a given line?
  5. How do you find the midpoint between two points on a line?

Tip: When finding the equation of a line through two points, always calculate the slope first to ensure accuracy in your equation.

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Math Problem Analysis

Mathematical Concepts

Geometry
Linear Equations

Formulas

Point-slope form of a line equation
Slope formula

Theorems

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Suitable Grade Level

Grades 7-9