Math Problem Statement
Graph the following lines 2π₯ = π¦ + 5
Solution
To graph the equation , we first need to rewrite it in a more familiar form, such as the slope-intercept form , where represents the slope and represents the y-intercept.
Step 1: Isolate in the given equation
Starting with: Subtract 5 from both sides: Now we have:
Step 2: Analyze the equation
The equation is in slope-intercept form, where:
- The slope
- The y-intercept
This means the line passes through the point on the y-axis and has a slope of 2, meaning for every 1 unit you move to the right along the x-axis, the line moves up by 2 units.
Step 3: Plot the line
- Start by plotting the y-intercept on the graph.
- From this point, use the slope . For each step of 1 unit to the right along the x-axis, move up 2 units on the y-axis.
- Draw a straight line through the points.
Would you like to see a graph of this line, or do you need help with something else related to it?
Follow-up questions:
- What would happen to the graph if the equation were ?
- How does the graph change if we add a constant to the x-term (e.g., )?
- How do you graph the equation of a line when given two points, say and ?
- How can we determine the equation of a line if we're given the slope and one point on the line?
- How does changing the slope value affect the steepness of the line?
Tip:
When graphing a line, always start with the y-intercept and then use the slope to plot additional points. This makes it easier to get an accurate representation of the line.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Graphing
Formulas
Slope-intercept form: y = mx + b
Theorems
Equation of a line
Slope and y-intercept properties
Suitable Grade Level
Grades 7-9