MathematicsMiddle School

Quadratic functions and equations

Intercepts are the roots

Estimated time · 10 min 7 Content blocks

Core concepts

Formulas

y=ax2+bx+c  与 x 轴交点  ⇔  ax2+bx+c=0y=ax^2+bx+c \;\text{与}\ x\ \text{轴交点} \;\Leftrightarrow\; ax^2+bx+c=0

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Worked example

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Worked example

Worked examples
Example
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Practice setFunctions and equations
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Prerequisites

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