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Algebra
Absolute Value
Excel in math and science
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Concept Quizzes
Which of the following represents the correct value of \( x\) if \[ \lvert 8x \rvert + b > c, \] and \( c>b\)?
Excel in math and science
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by Brilliant Staff
Solve for \( x \):
\[ x^2 - 2x -3 < 3 |x-1|. \]
Excel in math and science
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If the solution set of the system of inequalities: \[\begin{cases}\lvert a+1 \rvert < 2\\ \lvert b-1 \rvert <12 \end{cases}\] is \( x < a+b < y, \) what are \(x\) and \(y?\)
Excel in math and science
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Our wiki is made for math and science
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For all non-zero real numbers \( (x, y) \), which of the following is larger:
\[ A = \frac{ |x| } { 1 + |x| } + \frac{ |y| } { 1 + |y| } \text{ or } B = \frac{ |x+y| } { 1 + |x+y| } ?\]
Excel in math and science
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Our wiki is made for math and science
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The inequality \( \lvert 2x+8 \rvert + 16 < 32 \) implies that \( a < x < b \). What is \( b-a\)?
Excel in math and science
Master concepts by solving fun, challenging problems.
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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by Brilliant Staff