Math Problem Statement

Find the x-intercept and y-intercept of the line: 3x - 2y = -12

Solution

We are tasked with finding the x-intercept and y-intercept of the line described by the equation:

3x2y=123x - 2y = -12

1. Finding the x-intercept:

The x-intercept occurs when y=0y = 0. Let's substitute y=0y = 0 into the equation:

3x2(0)=123x - 2(0) = -12 3x=123x = -12 x=123=4x = \frac{-12}{3} = -4

So, the x-intercept is x=4x = -4.

2. Finding the y-intercept:

The y-intercept occurs when x=0x = 0. Let's substitute x=0x = 0 into the equation:

3(0)2y=123(0) - 2y = -12 2y=12-2y = -12 y=122=6y = \frac{-12}{-2} = 6

So, the y-intercept is y=6y = 6.

Final Answer:

  • x-intercept: x=4x = -4
  • y-intercept: y=6y = 6

Would you like more details or further clarification?

Here are 5 related questions to extend this topic:

  1. How do you find intercepts from a line in slope-intercept form?
  2. Can a line have both x-intercepts and y-intercepts at the same point?
  3. What do intercepts represent in real-world problems?
  4. How can you graph a line using only the intercepts?
  5. How do intercepts change if we modify the equation slightly?

Tip: When finding intercepts, always substitute the other variable as zero!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

For x-intercept, set y = 0
For y-intercept, set x = 0

Theorems

Linear Equation Intercepts

Suitable Grade Level

Grades 7-9