Math Problem Statement

Graph the line with the equation y = x + 1.

Solution

To graph the line for the equation y=x+1y = x + 1, follow these steps:

  1. Understand the equation format: The equation y=x+1y = x + 1 is in slope-intercept form, which is y=mx+by = mx + b. Here:

    • The slope mm is 1.
    • The y-intercept bb is 1 (this is the point where the line crosses the y-axis).
  2. Plot the y-intercept: Start by plotting the point (0,1)(0, 1) on the graph, because when x=0x = 0, y=1y = 1.

  3. Use the slope: The slope is m=1m = 1, which means "rise over run" is 1/11/1. From the y-intercept, move up 1 unit and 1 unit to the right to plot the next point. This gives you the point (1,2)(1, 2).

  4. Plot additional points: Continuing with the slope, plot more points like (2,3)(2, 3), (3,4)(3, 4), and so on.

  5. Draw the line: Once you have enough points, draw a straight line through them. This will be the graph of the equation y=x+1y = x + 1.

Would you like more details or help with any other questions?

Here are five related questions to deepen your understanding:

  1. How would you graph a line with a negative slope, such as y=x+1y = -x + 1?
  2. What happens to the graph if you change the y-intercept (e.g., y=x2y = x - 2)?
  3. How do you graph a vertical line, such as x=3x = 3?
  4. What is the difference between graphing y=x+1y = x + 1 and graphing 2y=2x+22y = 2x + 2?
  5. How do you find the slope of a line if you're only given two points?

Tip: Always identify the slope and intercept first when graphing from the slope-intercept form equation.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Graphing

Formulas

Slope-Intercept Form: y = mx + b

Theorems

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Suitable Grade Level

Grade 6-8