Math Problem Statement

Graph the line y = (1/3)x - 6.

Solution

The equation of the line is given as:

y=13x6y = \frac{1}{3}x - 6

This is in slope-intercept form, y=mx+by = mx + b, where:

  • m=13m = \frac{1}{3} is the slope of the line, meaning for every 3 units moved horizontally, the line goes up by 1 unit.
  • b=6b = -6 is the y-intercept, meaning the line crosses the y-axis at y=6y = -6.

Steps to graph:

  1. Start at the y-intercept: The point (0,6)(0, -6).
  2. Use the slope: The slope is 13\frac{1}{3}. From the point (0,6)(0, -6):
    • Move 3 units to the right (positive x-direction).
    • Move 1 unit up (positive y-direction). This gives the second point (3,5)(3, -5).
  3. Plot both points: (0,6)(0, -6) and (3,5)(3, -5).
  4. Draw the line: Connect the two points with a straight line.

Now that I've explained the process, would you like me to show the plotted line or do you have any questions?

Here are 5 related questions to deepen understanding:

  1. What does a slope of 0 mean for a line?
  2. How does changing the slope to a larger positive number affect the line?
  3. What happens to the line if the y-intercept becomes positive?
  4. How would you graph the line if the slope was negative, say 13-\frac{1}{3}?
  5. Can you convert this equation into a standard form?

Tip: Remember that the slope determines the steepness and direction of the line!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Graphing

Formulas

Slope-intercept form: y = mx + b

Theorems

Slope-Intercept Theorem

Suitable Grade Level

Grades 7-9