Math Problem Statement

parallel to 5x+6y=-1 and passes through (3,2)

Solution

To find the equation of the line parallel to 5x+6y=15x + 6y = -1 and passing through the point (3,2)(3,2), follow these steps:

Step 1: Determine the slope of the given line

The given equation 5x+6y=15x + 6y = -1 is in standard form. To find the slope, we first rewrite it in slope-intercept form y=mx+by = mx + b, where mm is the slope:

5x+6y=15x + 6y = -1 Solve for yy:

6y=5x16y = -5x - 1

y=56x16y = -\frac{5}{6}x - \frac{1}{6}

The slope of the given line is m=56m = -\frac{5}{6}.

Step 2: Use the slope-point form

Lines that are parallel have the same slope, so the new line will also have a slope of m=56m = -\frac{5}{6}. Now, use the point-slope form of the equation of a line:

yy1=m(xx1)y - y_1 = m(x - x_1)

Where (x1,y1)=(3,2)(x_1, y_1) = (3, 2) and m=56m = -\frac{5}{6}. Substituting these values:

y2=56(x3)y - 2 = -\frac{5}{6}(x - 3)

Step 3: Simplify the equation

Distribute the slope on the right-hand side:

y2=56x+156y - 2 = -\frac{5}{6}x + \frac{15}{6}

Simplify:

y2=56x+52y - 2 = -\frac{5}{6}x + \frac{5}{2}

Now, add 2 to both sides:

y=56x+52+2y = -\frac{5}{6}x + \frac{5}{2} + 2

Convert 2 to a fraction:

y=56x+52+42y = -\frac{5}{6}x + \frac{5}{2} + \frac{4}{2}

Simplify:

y=56x+92y = -\frac{5}{6}x + \frac{9}{2}

Final Answer:

The equation of the line parallel to 5x+6y=15x + 6y = -1 and passing through (3,2)(3, 2) is:

y=56x+92y = -\frac{5}{6}x + \frac{9}{2}

Would you like more details or have any questions?

Related Questions:

  1. How do you find the slope of a line from an equation in standard form?
  2. What is the slope-point form of a linear equation?
  3. How do you find the equation of a perpendicular line?
  4. How can you convert a line equation from slope-intercept form to standard form?
  5. What is the significance of parallel and perpendicular slopes?

Tip:

Parallel lines always have the same slope, but different y-intercepts!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Parallel Lines
Slope-Intercept Form

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 9-11