Math Problem Statement

find the x and y intercepts for x + 2y = 4

Solution

To find the x- and y-intercepts of the equation x+2y=4x + 2y = 4, we need to determine the points where the line crosses the x-axis and y-axis.

X-Intercept

The x-intercept is the point where the line crosses the x-axis. At this point, y=0y = 0. So, we set y=0y = 0 in the equation and solve for xx:

x+2(0)=4x + 2(0) = 4 x=4x = 4

Thus, the x-intercept is (4,0)(4, 0).

Y-Intercept

The y-intercept is the point where the line crosses the y-axis. At this point, x=0x = 0. So, we set x=0x = 0 in the equation and solve for yy:

0+2y=40 + 2y = 4 2y=42y = 4 y=2y = 2

Thus, the y-intercept is (0,2)(0, 2).

Summary

  • X-Intercept: (4,0)(4, 0)
  • Y-Intercept: (0,2)(0, 2)

Would you like more details or have any questions?

Here are 8 related questions to explore further:

  1. How do you find the intercepts of a line given in standard form Ax+By=CAx + By = C?
  2. What are the intercepts of the line 2x3y=62x - 3y = 6?
  3. How can you graph a line using its x- and y-intercepts?
  4. What are the steps to convert a standard form equation to slope-intercept form y=mx+by = mx + b?
  5. How do you find the slope of a line given two points?
  6. What is the significance of the intercepts in real-world applications?
  7. How can you determine if two lines are parallel or perpendicular using their equations?
  8. What is the relationship between the slope and the intercepts of a line?

Tip: When finding intercepts, remember to set the opposite variable to zero and solve for the remaining variable.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9