Math Problem Statement
answer this
Ms. Molina asked her students to graph the linear function 3x - 2y = 6. Which graph corresponds to this equation?
Solution
Let's analyze the given linear equation:
Step 1: Rearrange to slope-intercept form ():
Start by solving for :
Subtract from both sides: Now divide by to isolate :
Step 2: Identify the slope and y-intercept:
- Slope (m):
- Y-intercept (b):
Step 3: Plot the graph:
- The line crosses the y-axis at .
- Use the slope , which means for every 2 units to the right, move 3 units up.
Step 4: Match with the options:
Looking at the options in the image:
- Option D shows the correct line with a positive slope and a y-intercept at .
Thus, the correct answer is Option D.
Would you like further details on how to graph it manually or any other related questions?
Relative questions:
- What is the importance of slope-intercept form in graphing linear equations?
- How do you find the x-intercept of a line given in standard form?
- Can every linear equation be written in slope-intercept form?
- How would the graph of the equation change if the slope were negative?
- How do you graph a line if it's given in point-slope form?
Tip:
Always verify the slope and intercept visually when matching graphs to equations.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-Intercept Form: y = mx + b
Theorems
Slope-Intercept Theorem
Solving for y in linear equations
Suitable Grade Level
Grades 8-10