GRE Quantitative Flashcards: Quadratic Polynomial Relationships

Study Quadratic Polynomial Relationships in GRE Quantitative with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the vertex of $y=ax^2+bx+c$ written in terms of $a,b,c$ ?

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ANSWER

$\left(-\frac{b}{2a},\frac{4ac-b^2}{4a}\right)$ . The vertex coordinates are found by using the axis of symmetry for $x$ and substituting to find $y$ , yielding the given expressions in terms of $a$ , $b$ , $c$ .

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GRE Quantitative: Algebra and Equations

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What this deck covers

This deck focuses on Quadratic Polynomial Relationships, giving you a quick way to review the definitions, rules, and examples that matter most for GRE Quantitative.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 22Practice questions for this set

h(x)=x^2+2x-15

, which of the following is a factor of

h(x)

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