Math Problem Statement

What is the slope of the line in the graph shown above?

Solution

To find the slope of the line shown in the graph, we can use the formula for the slope between two points on the line, which is:

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

Steps:

  1. Identify two points on the line. From the graph:

    • One point is (2,1)(2, 1).
    • Another point is (4,4)(-4, 4).
  2. Use the slope formula: slope=142(4)=32+4=36=12\text{slope} = \frac{1 - 4}{2 - (-4)} = \frac{-3}{2 + 4} = \frac{-3}{6} = -\frac{1}{2}

Conclusion:

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

Would you like a more detailed explanation or have any questions?

Related questions:

  1. How do you interpret a negative slope in a graph?
  2. What does the slope tell us about the steepness of a line?
  3. Can the slope of a horizontal line ever be negative?
  4. How does the slope relate to the equation of a line in slope-intercept form?
  5. What is the significance of the y-intercept in relation to the slope?

Tip:

To quickly determine the slope from a graph, look for two clear points on the line and count the "rise" over "run."

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Graphing

Formulas

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

Theorems

Slope of a straight line
Coordinate Geometry

Suitable Grade Level

Grades 7-10