Math Problem Statement
Solution
The image you uploaded contains several questions related to finding equations of lines based on parallel and perpendicular relationships. I will solve each problem step by step and provide the equations in slope-intercept form.
1. Equation passing through (1, -10) parallel to :
The given line has a slope of -3 (from the equation , where is the slope). Since parallel lines have the same slope, the slope of the new line is also -3.
To find the equation:
- The slope
- The point is
Use the point-slope form of the equation:
Substitute:
Simplify:
Equation:
2. Equation passing through (4, 1) parallel to :
The slope of the given line is -1 (since the equation is , which has slope -1). The new line will also have a slope of -1 because they are parallel.
To find the equation:
- The slope
- The point is
Use point-slope form:
Simplify:
Equation:
3. Equation passing through (15, 1) perpendicular to :
The slope of the given line is -3. For perpendicular lines, the slopes are negative reciprocals. So, the slope of the perpendicular line will be .
To find the equation:
- The slope
- The point is
Use point-slope form:
Simplify:
Equation:
4. Equation passing through (12, -7) perpendicular to :
The slope of the given line is . For perpendicular lines, the slope will be the negative reciprocal, which is .
To find the equation:
- The slope
- The point is
Use point-slope form:
Simplify:
Equation:
5. Equation passing through (-6, -3) parallel to :
The line is a horizontal line with a slope of 0. A parallel line will also have a slope of 0.
To find the equation:
- The slope
- The point is
The equation of a horizontal line is just the y-coordinate of the point.
So, the equation is:
Equation:
These are the solutions for the given problems. Would you like any further explanation on any of these steps?
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Slope-Intercept Form
Parallel Lines
Perpendicular Lines
Formulas
y = mx + b
Point-Slope Form: y - y_1 = m(x - x_1)
Slope of perpendicular lines is negative reciprocal
Theorems
Parallel lines have the same slope
Perpendicular lines have slopes that are negative reciprocals
Suitable Grade Level
Grades 7-9
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