Math Problem Statement

Find the slope of the line.

Find the slope of the line.

Solution

To find the slope of the line in the graph, we use the formula:

slope=ΔyΔx=y2y1x2x1\text{slope} = \frac{{\Delta y}}{{\Delta x}} = \frac{{y_2 - y_1}}{{x_2 - x_1}}

We need two distinct points on the line. From the graph, two points that clearly lie on the line are:

  • Point 1: (4,1)(-4, 1)
  • Point 2: (4,3)(4, -3)

Using the slope formula:

slope=314(4)=48=12\text{slope} = \frac{{-3 - 1}}{{4 - (-4)}} = \frac{{-4}}{{8}} = -\frac{1}{2}

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

Do you want more details or have any questions?

Here are 5 related questions for practice:

  1. What is the y-intercept of the line?
  2. How would you write the equation of the line in slope-intercept form y=mx+by = mx + b?
  3. How do you find the slope if given an equation in standard form?
  4. What is the slope of a horizontal line?
  5. How does the slope affect the steepness of a line?

Tip: The sign of the slope indicates the direction of the line. A negative slope means the line decreases as you move from left to right.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Slope of a Line
Linear Equations

Formulas

slope = (y2 - y1) / (x2 - x1)

Theorems

Slope Formula

Suitable Grade Level

Grades 7-10