Math Problem Statement

Graph the line containing the given pair of points and find the slope: (-1, 0), (-2, -5).

Solution

To solve this problem, we need to find the slope of the line passing through the points (1,0)(-1, 0) and (2,5)(-2, -5).

The formula for the slope mm between 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}

Now, using the given points:

  • x1=1x_1 = -1, y1=0y_1 = 0
  • x2=2x_2 = -2, y2=5y_2 = -5

We can substitute these values into the slope formula:

m=502(1)=52+1=51=5m = \frac{-5 - 0}{-2 - (-1)} = \frac{-5}{-2 + 1} = \frac{-5}{-1} = 5

Thus, the slope of the line is m=5m = 5.

Would you like further details on how to graph this, or do you have any additional questions?

Here are 5 related questions to consider:

  1. How do you interpret the slope of a line geometrically?
  2. Can you find the equation of the line passing through the points (1,0)(-1, 0) and (2,5)(-2, -5)?
  3. What is the significance of a positive slope in a graph?
  4. How would the slope change if the coordinates were reflected over the x-axis?
  5. Can you find the y-intercept of this line?

Tip: When calculating the slope, always be cautious with the signs, as they can affect the result significantly.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Linear Equations
Slope

Formulas

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

Theorems

Slope theorem: The slope of a line is constant between any two points on the line.

Suitable Grade Level

Grades 7-10