Math Problem Statement

Graph the linear equation y = -5x + 7.

Solution

The equation provided in the image is y=5x+7y = -5x + 7. This is the equation of a straight line in slope-intercept form, where:

  • The slope (mm) is 5-5.
  • The y-intercept (bb) is 77.

Steps to Graph:

  1. Plot the y-intercept: Start at (0,7)(0, 7) on the y-axis.
  2. Use the slope to find another point:
    • Slope m=5m = -5 means that for every 1 unit increase in xx, yy decreases by 5.
    • From (0,7)(0, 7), move 1 unit to the right (x=1x = 1), and then move 5 units down (y=2y = 2). This gives a second point, (1,2)(1, 2).
  3. Draw the line: Connect these points and extend the line in both directions.

Let me know if you'd like me to graph it for you or explain any step further.


Would you like a detailed graph? Here are related questions for practice:

  1. How do you find the slope of a line given two points?
  2. What happens to the graph if the slope is positive instead of negative?
  3. How would the graph change if the equation were y=5x3y = -5x - 3?
  4. How can you determine the x-intercept of a line?
  5. How do you graph a line when the equation is not in slope-intercept form?

Tip: Always identify the y-intercept and slope first to make graphing easier!

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Math Problem Analysis

Mathematical Concepts

Algebra
Slope-Intercept Form
Graphing Linear Equations
Slope and Y-Intercept

Formulas

y = mx + b
Slope formula m = (y₂ - y₁)/(x₂ - x₁)

Theorems

Slope Formula

Suitable Grade Level

Grades 8-10