Math Problem Statement

Graph the line: y = -3/2x - 1

Solution

To graph the equation y=32x1y = -\frac{3}{2}x - 1, follow these steps:

1. Identify the slope and y-intercept:

  • The equation is in slope-intercept form y=mx+by = mx + b, where:
    • m=32m = -\frac{3}{2} (slope)
    • b=1b = -1 (y-intercept)

2. Plot the y-intercept:

  • Start by plotting the point (0,1)(0, -1) on the y-axis.

3. Use the slope to find another point:

  • The slope 32-\frac{3}{2} means "rise over run" = 3-3 units down and 22 units to the right.
  • From the point (0,1)(0, -1), move 3 units down and 2 units right to get the next point at (2,4)(2, -4).

4. Draw the line:

  • Connect the points (0,1)(0, -1) and (2,4)(2, -4) with a straight line, and extend the line in both directions.

If you would like, I can generate the graph for you. Would you like the graph or further details?


Relative Questions:

  1. What does the slope represent in a linear equation?
  2. How would you find the x-intercept of this line?
  3. What happens to the graph if you change the slope to a positive value?
  4. How does changing the y-intercept affect the graph?
  5. Can you explain how to graph lines when given the point-slope form?

Tip: Always check the sign of the slope to determine if the line rises or falls. A negative slope means the line falls from left to right.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope-Intercept Form
Graphing

Formulas

y = mx + b (Slope-Intercept Form)
Slope = rise/run

Theorems

Slope-Intercept Theorem

Suitable Grade Level

Grades 7-9