Math Problem Statement

Line G passes through the point (7, 11) and is parallel to the line given by y = 4(3x + 2). What is the equation of line G? Give your answer in the form y = mx + c, where m and c are integers or fractions in their simplest forms.

Solution

Solution:

We are tasked with finding the equation of a line GG that passes through the point (7,11)(7, 11) and is parallel to the line y=4(3x+2)y = 4(3x + 2).


Step 1: Simplify the given equation of the parallel line

The equation of the given line is: y=4(3x+2)y = 4(3x + 2) Simplify it: y=12x+8y = 12x + 8 Thus, the slope (mm) of this line is 1212.

Since line GG is parallel, it will have the same slope: m=12m = 12


Step 2: Use the point-slope form of the line

The point-slope form is: yy1=m(xx1)y - y_1 = m(x - x_1) Substitute m=12m = 12, (x1,y1)=(7,11)(x_1, y_1) = (7, 11): y11=12(x7)y - 11 = 12(x - 7)


Step 3: Simplify the equation

Expand and simplify: y11=12x84y - 11 = 12x - 84 y=12x84+11y = 12x - 84 + 11 y=12x73y = 12x - 73


Final Answer:

The equation of line GG is: y=12x73y = 12x - 73

Would you like further details or have any questions?


Related Questions:

  1. How do you find the slope of a line given two points on the line?
  2. What is the difference between parallel and perpendicular slopes?
  3. How do you convert a point-slope form equation to slope-intercept form?
  4. What is the geometric significance of the yy-intercept in a line equation?
  5. How can you verify if two lines are parallel or not?

Tip:

For parallel lines, remember that their slopes are always identical, but their yy-intercepts will differ unless they overlap.

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Math Problem Analysis

Mathematical Concepts

Linear equations
Parallel lines
Point-slope form
Slope-intercept form

Formulas

Point-slope form: y - y1 = m(x - x1)
Slope-intercept form: y = mx + c

Theorems

Parallel lines have equal slopes

Suitable Grade Level

Grades 8-10