Math Problem Statement

Graph this linear equation y= -5x -3

Solution

To graph the linear equation y=5x3y = -5x - 3, we need to identify two key elements:

  1. Slope: The coefficient of xx, which is 5-5, represents the slope of the line. This means that for every 1 unit you move to the right on the xx-axis, the yy-value will decrease by 5 units.

  2. Y-intercept: The constant term, 3-3, represents the point where the line crosses the yy-axis. This happens at the point (0,3)(0, -3).

Steps to graph:

  1. Plot the y-intercept: Start by plotting the point (0,3)(0, -3) on the graph.

  2. Use the slope to find another point: From the point (0,3)(0, -3), use the slope of 5-5 to find another point. The slope 5-5 can be written as 51\frac{-5}{1}, meaning you move 1 unit to the right and 5 units down. So, from (0,3)(0, -3), move 1 unit to the right to (1,3)(1, -3), and then 5 units down to (1,8)(1, -8).

  3. Draw the line: Plot the point (1,8)(1, -8), and then draw a straight line connecting the points (0,3)(0, -3) and (1,8)(1, -8).

Would you like me to generate the graph for you, or do you have any other questions about this equation?


Here are some related questions you might find interesting:

  1. How do you find the slope and y-intercept from a linear equation?
  2. What happens to the graph of the line if the slope is positive instead of negative?
  3. How can you graph a line using just the slope and y-intercept?
  4. How do you write the equation of a line if you're given two points?
  5. What is the relationship between the slope and parallel/perpendicular lines?

Tip: Always remember that the slope tells you how steep the line is and the y-intercept gives you where the line crosses the vertical axis!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Graphing

Formulas

Slope-intercept form: y = mx + b

Theorems

Slope formula
Graphing using y-intercept and slope

Suitable Grade Level

Grades 6-8