Math Problem Statement

Find the equation of a line passing through the point (3, 2) and parallel to the line 3x + y - 2 = 0.

Solution

The image shows a math problem that appears to ask for the equation of a line passing through the point (3, 2) and parallel to the line 3x+y2=03x + y - 2 = 0.

Step-by-Step Solution:

  1. Equation of the given line: The given equation is: 3x+y2=03x + y - 2 = 0 We can rewrite this in slope-intercept form y=mx+by = mx + b, where mm is the slope. y=3x+2y = -3x + 2 So, the slope of this line is m=3m = -3.

  2. Slope of the parallel line: Since the lines are parallel, the new line will have the same slope. So, the slope of the new line is also m=3m = -3.

  3. Equation of the new line: Now we use the point-slope form of the line equation: yy1=m(xx1)y - y_1 = m(x - x_1) where (x1,y1)(x_1, y_1) is the point the line passes through, and mm is the slope. The point given is (3,2)(3, 2), so: y2=3(x3)y - 2 = -3(x - 3) Simplifying this: y2=3x+9y - 2 = -3x + 9 y=3x+11y = -3x + 11 So, the equation of the line passing through (3,2)(3, 2) and parallel to 3x+y2=03x + y - 2 = 0 is: y=3x+11y = -3x + 11 Or, in standard form: 3x+y11=03x + y - 11 = 0

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Related questions:

  1. How do we determine the slope of a line from its equation?
  2. What is the difference between parallel and perpendicular lines in terms of their slopes?
  3. How can we derive the point-slope form from the slope-intercept form of a line?
  4. Can a line passing through the same point have different slopes?
  5. How would the equation change if the line were perpendicular instead of parallel?

Tip:

Always express the equation of a line in different forms (like slope-intercept, point-slope, or standard form) for a better understanding of the line's properties.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Parallel Lines

Formulas

Point-slope form of a line: y - y1 = m(x - x1)
Slope-intercept form: y = mx + b

Theorems

Parallel lines have equal slopes

Suitable Grade Level

Grades 9-12