8th Grade Math Review

The slope of a line is a measure of its steepness, calculated as the rise over run (change in y over change in x).

The solution is x = 18.

The sum of the angles in a triangle is always 180 degrees.

Corresponding angles are angles that are in the same position on two parallel lines cut by a transversal.

The area of a triangle is given by the formula: Area = 1/2 * base * height.

A quadratic equation is a polynomial equation of the form ax^2 + bx + c = 0, where a, b, and c are constants.

Supplementary angles are two angles whose measures add up to 180 degrees.

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides: a^2 + b^2 = c^2.

Vertical angles are opposite angles formed by two intersecting lines and are equal, while adjacent angles share a common side and vertex.

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).