Math Problem Statement
Solution
To solve the equation using intercepts and graph it on the grid:
Step 1: Find the x-intercept
To find the x-intercept, set in the equation: So, the x-intercept is .
Step 2: Find the y-intercept
To find the y-intercept, set in the equation: So, the y-intercept is .
Step 3: Plot the intercepts
On the grid:
- Plot the point (x-intercept).
- Plot the point (y-intercept).
Step 4: Draw the line
Connect the two points with a straight line to graph the equation.
Let me know if you'd like me to provide additional calculations or further clarify this process!
Follow-Up Questions:
- What happens if the coefficients of or change in a linear equation?
- How can you verify that your graphed line is correct using substitution?
- What is the slope of the line , and how can it be calculated from the equation?
- How would you graph the equation if you were given it in slope-intercept form ()?
- What does it mean if two lines have the same slope but different y-intercepts?
Tip:
To double-check your graph, you can test any additional point (besides the intercepts) by substituting its coordinates into the original equation. If the equation holds true, the point lies on the line!
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Intercepts
Graphing
Formulas
x-intercept: Set y = 0
y-intercept: Set x = 0
Theorems
Linear equation graphing based on intercepts
Suitable Grade Level
Grades 8-10