Math Problem Statement

find the x and y intercepts of x-2y=4

Solution

To find the x-intercept and y-intercept of the equation x2y=4x - 2y = 4, follow these steps:

1. Find the x-intercept:

The x-intercept occurs where the graph crosses the x-axis, which means the value of yy is 0.

Substitute y=0y = 0 into the equation:

x2(0)=4x - 2(0) = 4 x=4x = 4

So, the x-intercept is at the point (4,0)(4, 0).

2. Find the y-intercept:

The y-intercept occurs where the graph crosses the y-axis, which means the value of xx is 0.

Substitute x=0x = 0 into the equation:

02y=40 - 2y = 4 2y=4-2y = 4 y=2y = -2

So, the y-intercept is at the point (0,2)(0, -2).

Final Answer:

  • x-intercept: (4,0)(4, 0)
  • y-intercept: (0,2)(0, -2)

Would you like more details on how to find intercepts or any other related concepts? Here are some questions to explore further:

  1. How do you find the slope of a line from its equation in standard form?
  2. How do you graph the equation x2y=4x - 2y = 4?
  3. What is the general form of a linear equation, and how are intercepts found from it?
  4. How do intercepts help in graphing linear equations?
  5. What is the significance of the slope-intercept form y=mx+by = mx + b and how is it related to intercepts?

Tip: For any linear equation, to find the intercepts, always set one variable to 0 and solve for the other. This is the easiest way to get the intercept points!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Intercepts

Formulas

Set y = 0 to find x-intercept
Set x = 0 to find y-intercept

Theorems

Intercept Theorem

Suitable Grade Level

Grades 7-9