Math Problem Statement
Solution
To solve the problem, let’s proceed step by step.
We are tasked with writing an equation in slope-intercept form of the line that:
- Passes through the point ,
- Is parallel to the line .
Step 1: Understand the slope of the given line.
The given line equation is: This equation is in slope-intercept form , where is the slope.
From , the slope is -2.
Step 2: Use the slope for the new line.
Since the line we are finding is parallel to the given line, it will have the same slope:
Step 3: Use the point-slope form of a line.
The point-slope form of a line is: where:
- (the slope),
- (the point the line passes through).
Substitute these values:
Simplify:
Step 4: Simplify to slope-intercept form .
Distribute on the right-hand side:
Subtract from both sides to isolate :
Final Answer:
The equation of the line in slope-intercept form is:
Let me know if you need further clarification or additional examples!
Related Questions:
- What is the difference between slope-intercept form and point-slope form?
- How do you determine if two lines are parallel or perpendicular?
- How can you write the equation of a line given two points?
- What is the significance of the slope in a linear equation?
- How do you graph a line using the slope-intercept form?
Tip:
Parallel lines always have the same slope, while perpendicular lines have slopes that are negative reciprocals of each other.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Slope-Intercept Form
Parallel Lines
Formulas
Slope-intercept form: y = mx + b
Point-slope form: y - y₁ = m(x - x₁)
Theorems
Parallel lines have the same slope
Suitable Grade Level
Grades 8-10
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