Math Problem Statement
Find the equation of a line that is parallel to the line y equals negative 12 x and contains the point left parenthesis 8 comma negative 2 right parenthesis .
Solution
To find the equation of a line parallel to that passes through the point , follow these steps:
Step 1: Identify the slope
The given line is , which is in slope-intercept form (). Here, the slope () is .
Since parallel lines have the same slope, the line we are looking for also has a slope of .
Step 2: Use the point-slope form of a line
The point-slope form of a line is: where is a point on the line, and is the slope.
Substituting , , and , we get:
Simplify:
Step 3: Simplify to slope-intercept form (if needed)
Distribute :
Subtract 2 from both sides:
Final Answer:
The equation of the line is:
Would you like further explanation or clarification?
Here are some related questions for further practice:
- What is the equation of a line perpendicular to and passing through ?
- How do you derive the equation of a line given two points instead of a slope and a point?
- Can you verify if the point lies on the line ?
- How do you find the x-intercept and y-intercept of the line ?
- What is the slope of a line that is neither parallel nor perpendicular to ?
Tip:
To confirm your equation, substitute the given point into your final equation to ensure it satisfies the line!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Parallel Lines
Formulas
Point-slope form: y - y1 = m(x - x1)
Slope-intercept form: y = mx + b
Theorems
Parallel line theorem: Parallel lines have the same slope
Suitable Grade Level
Grades 8-10
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