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Excel in math and science
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Algebra
Quadratic Equations
Excel in math and science
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Concept Quizzes
Consider the quadratic equation \(7 x^2 = 49 x\). What is the sum of all the roots of this equation?
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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by Brilliant Staff
If the following statement is true, what is the value of \(a\): \[x^2+5x-14=(x+a)(x-2)?\]
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
What are the roots of the quadratic equation \[2(x+2)^2-33=13x+8 ?\]
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
What are the roots of the quadratic equation \[ix^2+(7-4i)x-12-12i=0 ?\]
Details and assumptions
\(i\) is the imaginary number that satisfies \(i^2 = -1\).
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
Master advanced concepts through explanations,
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by Brilliant Staff
If \[x^2-8x+15=(x+a)(x+b),\] what is the value of \(ab\)?
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
Master advanced concepts through explanations,
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by Brilliant Staff