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Practice sample problems from math subjects including Geometry, Pre-Algebra, Algebra, Trigonometry, Statistics, Calculus, and more. Solve problems and review answers to get the math help you need.

Trigonometry

A unit circle is a circle on the Cartesian plane with a radius of 1 unit and centered at the origin (0, 0). The unit circle is used in trig functions and angle measurement.

Algebra

The vertex of a parabola is the point of intersection for the parabola and the axis of symmetry. Learn how to solve for the vertex of a parabola with example problem sets and answers.

Algebra

What does the quadratic formula help us find? What is it exactly? The quadratic formula is an algebraic formula that allows you to find the x-intercepts of a quadratic equation.

Algebra

The distance formula is used to find the distance between any two points on the coordinate plane. The distance formula is a variation of the Pythagorean Theorem.

Algebra

How do you find the area of a circle and the surface area of a cylinder? Here's a step by step in solving for both.

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