Math Problem Statement
Find the x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes for the equation y = -2x.
Solution
Let's solve this problem step by step. The given equation is:
1. Finding the y-intercept:
The y-intercept occurs when . Substituting into the equation:
Thus, the y-intercept is .
2. Finding the x-intercept:
The x-intercept occurs when . Substituting into the equation:
Solving for :
Thus, the x-intercept is .
Conclusion:
Both the x-intercept and y-intercept are . So, you can fill in the boxes as follows:
- The x-intercept is .
- The y-intercept is .
Would you like more details or have any questions?
Here are some related questions to explore:
- What are the x- and y-intercepts of the line ?
- How do you find intercepts for quadratic equations?
- Can a line have no x-intercept or y-intercept?
- What does the slope of a line represent?
- How do intercepts relate to graphing linear functions?
Tip: The x- and y-intercepts are useful for quickly sketching the graph of a line without needing multiple points!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Intercepts
Formulas
y = mx + b
Theorems
Slope-Intercept Form
Suitable Grade Level
Grades 6-8