Math Problem Statement

Find an equation for the line shown in the graph.

Solution

The image shows a graph of a straight line. To find the equation of the line, we need to identify its slope and y-intercept. Let's analyze this step by step:

1. Identifying Points

We can see two clear points on the line:

  • The point (6,4)(-6, 4)
  • The point (0,1)(0, -1), which is the y-intercept.

2. Slope Calculation

The formula for the slope mm of a line passing through two points (x1,y1)(x_1, y_1) and (x2,y2)(x_2, y_2) is: m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1} Using the points (6,4)(-6, 4) and (0,1)(0, -1): m=140(6)=56m = \frac{-1 - 4}{0 - (-6)} = \frac{-5}{6}

3. Equation of the Line

The slope-intercept form of a line is: y=mx+by = mx + b where mm is the slope and bb is the y-intercept. From the graph, the y-intercept is b=1b = -1.

Thus, the equation of the line is: y=56x1y = -\frac{5}{6}x - 1

Would you like more details or have any questions?

Here are some related questions to expand your understanding:

  1. How do you find the equation of a line if you only have one point and the slope?
  2. What is the relationship between the slope and the steepness of the line?
  3. How can you rewrite the equation in standard form Ax+By=CAx + By = C?
  4. What happens to the graph if the slope becomes positive?
  5. How can you find the x-intercept from the equation of the line?

Tip: Remember, the slope tells you how much yy changes for each unit of change in xx, which helps you visualize the steepness and direction of the line.

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Slope-Intercept Form

Formulas

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

Theorems

Linear equations and slope-intercept theorem

Suitable Grade Level

Grades 8-10