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Determine whether the expression $\sqrt{2}+\sqrt{6}$ is rational

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Tutorial - Simplify a rational trigonometric expression 24, ((sinx)^2 - (cosx)^2) / (1 - 2(cosx)^2)

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Algebra 1 - Solve an equation with a rational term 1/x= 3+ 7/x^2+7x ex 2

https://www.youtube.com/watch?v=OjNDpBeMpxI

Algebra 2 - Learning to make multiplying rational expressions easy (3x^2ā€12/5xā€10) * (1/2x+4)

https://www.youtube.com/watch?v=F6MknIjEi_c

Algebra 2 - Simplifying an expression with rational and negative exponents (x^(1/6) y^(1/3))^-18

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Function Plot

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Main Topic: Rationals and Irrationals

A rational term is an algebraic term that doesn't have literal part inside a radical. An irrational term does have literal part inside a radical.

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