Math Problem Statement

Find the y-intercept and the x-intercept of the line from the given graph.

Solution

Let's analyze the graph to find the y-intercept and the x-intercept of the line.

(a) y-intercept:

  • The y-intercept is the point where the line crosses the y-axis. This occurs when x=0x = 0.
  • From the graph, the line crosses the y-axis at y=2y = -2.

Thus, the y-intercept is 2-2.

(b) x-intercept:

  • The x-intercept is the point where the line crosses the x-axis. This occurs when y=0y = 0.
  • From the graph, the line crosses the x-axis at x=4x = 4.

Thus, the x-intercept is 44.

Final Answer:

  • (a) y-intercept: 2-2
  • (b) x-intercept: 44

Would you like more explanation on how to derive intercepts from a graph or the equation of a line?

Related Questions:

  1. How do you find the intercepts of a line from its equation?
  2. What is the slope of this line, and how does it affect the intercepts?
  3. How can you determine intercepts for a quadratic function?
  4. How would the intercepts change if the line were steeper or flatter?
  5. What happens to the intercepts if you shift the line horizontally or vertically?

Tip:

The y-intercept is found where x=0x = 0, and the x-intercept is found where y=0y = 0. These points are crucial for understanding the behavior of linear equations and their graphical representations.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Intercepts

Formulas

y = mx + b (Slope-intercept form of a line)

Theorems

Intercept Theorem

Suitable Grade Level

Grades 7-9