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Excel in math and science
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Geometry
Equation of a Line
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
If three points \(A=(k,k+2),\) \(B=(0,k-6)\) and \(C=(k-4,k)\) all lie on the same line, what is the value of \(k?\)
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
The \( x \)- and \( y \)-intercepts of a line have the same value. If the line passes through \(P=(7,-6)\) and \(Q=(-6,k),\) what is the value of \(k?\)
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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Consider the two points \((-1, -1)\) and \((3, 7).\) If a circle passes through these two points, then which of the following cannot also be a point on the circle?
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 is the sum of all the values of \(k\) that make three points \(A=(1,k),\) \(B=(k,1)\) and \(C=(10,10)\) lie on the same line?
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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Consider the line passing through two points \(P=(1, 10)\) and \(Q=(-1, 3) \). If the line also passes through point \(R=(17, a)\), what is the value of \(a\)?
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
Master advanced concepts through explanations,
examples, and problems from the community.
Used and loved by 4 million people
Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.
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That seems reasonable.
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by Brilliant Staff