Math Problem Statement
Solution
You have uploaded an image that includes the equation and a coordinate plane. Let's analyze and graph the line corresponding to this equation step by step.
Step 1: Identify the equation form
The given equation is in slope-intercept form, which is:
Where:
- is the slope (rate of change).
- is the y-intercept (the point where the line crosses the y-axis).
From the equation:
- Slope : This means that for every 1 unit increase in , increases by 4.
- Y-intercept : The line crosses the y-axis at the point .
Step 2: Plot the y-intercept
The y-intercept is . On the graph, locate the point where the line crosses the y-axis, which is at .
Step 3: Use the slope to find another point
The slope is 4, meaning that for every 1 unit increase in , increases by 4. Starting from :
- Move 1 unit to the right on the x-axis (from to ).
- Then move 4 units up on the y-axis (from to ).
So another point on the line is .
Step 4: Draw the line
Connect the points and with a straight line. Extend the line in both directions to complete the graph of the equation .
Step 5: Positive Slope Confirmation
The word "positive" written near the equation is a reminder that the line has a positive slope, meaning it increases as increases, which is correct for this graph.
Would you like more details or have any questions about this graph or the equation? Here are 5 related questions for further exploration:
- What would the graph look like if the slope was negative instead of positive?
- How would the graph change if the y-intercept was 0 instead of -5?
- Can you determine the x-intercept of this line, where ?
- How can you find the equation of a line parallel to ?
- How would you graph the line if the equation was in point-slope form instead of slope-intercept form?
Tip: The slope tells you how steep the line is—higher absolute values of slope indicate a steeper line!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-Intercept Form: y = mx + b
Theorems
Slope and Y-Intercept Theorem
Suitable Grade Level
Grades 8-10