Math Problem Statement

Graph the equation y = 1/2x + 3.

Solution

The equation you're tasked with graphing is:

y=12x+3y = \frac{1}{2}x + 3

This is a linear equation in slope-intercept form, where:

  • The slope m=12m = \frac{1}{2}
  • The y-intercept b=3b = 3

Steps to graph it:

  1. Plot the y-intercept: The y-intercept is b=3b = 3, so place a point at (0,3)(0, 3) on the graph.
  2. Use the slope: The slope is 12\frac{1}{2}, which means for every 2 units you move horizontally to the right (positive xx-direction), you move 1 unit up vertically.
  3. Draw the line: After plotting a second point using the slope (for example, from (0,3)(0, 3) move 2 units right and 1 unit up to reach (2,4)(2, 4)), connect these points with a straight line.

This will give you the graph of the equation.

Would you like to continue with a deeper explanation or specific details on plotting?

Here are some related questions:

  1. How do you interpret the slope of a linear equation?
  2. What happens to the graph if the slope is negative instead of positive?
  3. How can you determine the x-intercept of this equation?
  4. What is the role of the y-intercept in graphing a linear equation?
  5. How do you use the equation to predict values of yy for given xx-coordinates?

Tip: When graphing, always start by plotting the y-intercept, then use the slope to find additional points.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope-Intercept Form

Formulas

y = mx + b

Theorems

Slope-intercept form theorem

Suitable Grade Level

Grades 7-9