straight line | MATHalino reviewer about straight line

Problem
For triangle BOA, B is on the y-axis, O is the origin, and A is on the x-axis. Point C(5, 2) is on the line AB. Find the length of AB if the area of the triangle is 36 unit².

A. 24.31 units	C. 13.42 units
B. 18.30 units	D. 10.80 units

Read more about Length of hypotenuse of a right triangle of known area in the xy-plane
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Definition
Straight line is the locus or path of a point that moves without changing its direction.

General Equation
The general equation of the straight line is given by

$ax + by + c = 0$

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Problem 1
A circle is tangent to the line 2x - y + 1 = 0 at the point (2, 5) and the center is on the line x + y = 9. Find the equation of the circle.

Read more about 01 - Circle tangent to a given line and center at another given line
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