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Excel in math and science
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Algebra Warmups
From cracking cryptograms to calculating the top speed of a rocket, algebra gives you tools to apply mathematical reasoning to a wide range of problems. Dive in and see what you already know!
Excel in math and science
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It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
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Concept Quizzes
Which of the following is equal to the expression above?
Excel in math and science
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by Brilliant Staff
What is the value of
\[ \large \sqrt{ ( \color{red} {- 8} ) ^ 2 } \hspace{.15cm} ? \]
Excel in math and science
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by Brilliant Staff
\[ \large \sqrt{\color{purple}{99} \times \color{purple}{99}+\color{green}{199}} = \ \color{red} ? \]
Note: There is a clever way to solve this problem without computing \( 99^2 \).
Excel in math and science
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\[ \Large \sqrt{ {\color{red} { 7}} \times \color{blue} {x} } = \color{green} {49 } \]
Solve for \(x\).
Excel in math and science
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by Brilliant Staff
\[ \sqrt{ \frac{ 1 } { x } } = 8, \ \ \ \ \ x = \ ? \]
Excel in math and science
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It's hard to learn from lectures and videos
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Our wiki is made for math and science
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by Brilliant Staff