Math Problem Statement

y=-2x+1

Solution

The equation you provided, y=2x+1y = -2x + 1, is in the slope-intercept form of a linear equation, which is given by:

y=mx+by = mx + b

where:

  • mm is the slope of the line, and
  • bb is the y-intercept.

In this case:

  • The slope m=2m = -2,
  • The y-intercept b=1b = 1.

Interpretation:

  • The slope of 2-2 means the line decreases by 2 units for every 1 unit increase in xx.
  • The y-intercept of 11 means that the line crosses the y-axis at y=1y = 1.

If you have any specific questions regarding the equation or need further details on its graph, feel free to ask!


Here are some related questions to explore:

  1. How do I graph the line y=2x+1y = -2x + 1?
  2. How can I find the x-intercept of the equation?
  3. What does the slope of a line represent in real-world situations?
  4. How can I rewrite the equation in point-slope form?
  5. What happens to the graph if the slope is changed?

Tip: To graph the line, start by plotting the y-intercept (1) on the y-axis, and then use the slope to find another point: from (0, 1), move down 2 units and right 1 unit to get to (1, -1). Draw the line through these points.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope-Intercept Form
Graphing Linear Equations

Formulas

y = mx + b

Theorems

Slope-Intercept Theorem

Suitable Grade Level

Grades 7-9