Math Problem Statement

find the slope of the line

Find the slope of the line.

Solution

To determine the slope of the line from the graph, we can follow these steps:

  1. Identify two points on the line: From the graph, it seems that the line passes through the points (2,2)(2, -2) and (4,3)(4, -3).

  2. Use the slope formula: slope=y2y1x2x1\text{slope} = \frac{y_2 - y_1}{x_2 - x_1} Where (x1,y1)(x_1, y_1) and (x2,y2)(x_2, y_2) are the coordinates of the two points.

Let me plug in the values:

slope=3(2)42=3+22=12\text{slope} = \frac{-3 - (-2)}{4 - 2} = \frac{-3 + 2}{2} = \frac{-1}{2}

Thus, the slope of the line is 12-\frac{1}{2}.

Would you like more details or have any questions about this? Here are some related questions:

  1. How do you interpret the slope of a line in real-world contexts?
  2. Can a line have a positive or undefined slope? How does that look on a graph?
  3. What is the equation of a line given the slope and a point?
  4. How do you calculate the slope of vertical and horizontal lines?
  5. What are the differences between slopes in parallel and perpendicular lines?

Tip: Always pick two points that are easy to read from the graph to minimize calculation errors when finding the slope!

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Linear Functions
Slopes

Formulas

Slope formula: (y2 - y1) / (x2 - x1)

Theorems

The Slope Theorem for linear functions

Suitable Grade Level

Grades 7-9