Math Problem Statement

Find the slope of the line graphed below.

Solution

To find the slope of the line graphed in the image, we can use the formula for the slope between two points:

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

From the graph, we can identify two points where the line crosses grid intersections clearly:

  1. The first point is approximately (4,4)(-4, 4).
  2. The second point is (4,2)(4, -2).

Now, applying these values into the slope formula:

m=244(4)=64+4=68=34m = \frac{{-2 - 4}}{{4 - (-4)}} = \frac{{-6}}{{4 + 4}} = \frac{{-6}}{{8}} = -\frac{3}{4}

Thus, the slope of the line is:

m=34m = -\frac{3}{4}

Would you like any additional details or have further questions?

Here are 5 related questions you might find useful:

  1. How does the slope of a line relate to its steepness?
  2. What happens to the slope if the line becomes vertical or horizontal?
  3. How do you find the equation of a line given its slope and a point?
  4. What is the significance of a positive versus negative slope?
  5. How would the graph change if the slope were 1-1 instead of 34-\frac{3}{4}?

Tip: Always remember that a negative slope means the line is decreasing from left to right, and a positive slope means it's increasing.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Slope Calculation

Formulas

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

Theorems

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Suitable Grade Level

Grades 7-12