Algebra tiles are used for which of the following mathematical concepts?

Algebra tiles are a manipulative tool specifically designed to help students understand and visualize concepts related to algebra, particularly in working with polynomials, equations, and factoring. They consist of different shapes and sizes that represent constants, variables, and their combinations. For instance, a square tile might represent (x^2), while a rectangle might represent (x), and a smaller square could represent the constant (1).

When using algebra tiles, students can physically arrange the tiles to model algebraic expressions and equations, making it easier to see how they can be combined, rearranged, or factored. This tactile experience enhances their understanding of abstract mathematical concepts and allows them to explore operations such as addition, subtraction, and factoring in a concrete way.

In contrast, the other options do not accurately reflect the primary uses of algebra tiles. While they may involve some visual aids or geometric shapes, algebra tiles are primarily focused on facilitating the understanding of algebraic expressions and polynomial operations.