Math Problem Statement

find the angle between the lines

6x−y−11=0and7x−y−1=06xy−11=0and7xy−1=0

and sketch the graph.

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Analytical Geometry
Slopes of Lines
Angles Between Lines

Formulas

Slope-intercept form of a line: y = mx + b
Formula for the angle between two lines: tan(θ) = |(m2 - m1) / (1 + m1 * m2)|

Theorems

Angle between two lines theorem

Suitable Grade Level

Grades 9-12