Math Problem Statement

Graph the equation y = 2x - 5 using the provided grid.

Solution

The equation given is y=2x5y = 2x - 5. Let me explain how to graph this step-by-step:

  1. Identify the slope and y-intercept:

    • The equation is in slope-intercept form y=mx+by = mx + b, where mm is the slope and bb is the y-intercept.
    • Here, m=2m = 2 (the slope) and b=5b = -5 (the y-intercept).
  2. Plot the y-intercept:

    • Start by plotting the point where y=5y = -5 on the y-axis. This point is (0,5)(0, -5).
  3. Use the slope to find another point:

    • The slope m=2m = 2 means "rise over run" = 21\frac{2}{1}. From the point (0,5)(0, -5), move up 2 units (rise) and right 1 unit (run), landing at (1,3)(1, -3). Plot this point.
  4. Extend the line:

    • Using a ruler, draw a straight line passing through both points, extending it in both directions. Ensure the line follows the slope pattern (e.g., continuing up 2 and right 1, or down 2 and left 1).
  5. Label the line:

    • Add the equation y=2x5y = 2x - 5 near the line to identify it.

Would you like me to graph this equation step-by-step for you, or explain any of the steps in more detail?

Related Questions:

  1. How do you convert an equation to slope-intercept form if not already provided?
  2. What is the significance of the slope in real-world applications?
  3. How do you graph horizontal or vertical lines, such as y=cy = c or x=cx = c?
  4. How can you check if a point lies on a given line algebraically?
  5. What happens if the slope of the line is negative or fractional?

Tip: Always verify your graph by substituting a point into the original equation to ensure it satisfies the equation.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Graphing
Slope-Intercept Form

Formulas

y = mx + b

Theorems

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Suitable Grade Level

Grades 6-8