Math Problem Statement

Find the area of a triangle bounded by the y-axis, the line f(x) = 5 − 4 7 x, and the line perpendicular to f(x) that passes through the origin. (Round your answer to two decimal places.)

Solution

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Linear Equations
Area of a Triangle

Formulas

Slope-intercept form: y = mx + b
Perpendicular slope relationship: m1 * m2 = -1
Area of a triangle with vertices: A = 1/2 |x1(y2-y3) + x2(y3-y1) + x3(y1-y2)|

Theorems

Properties of Perpendicular Lines
Area of a Triangle Using Determinants

Suitable Grade Level

Grades 9-11