Problem preview
F-IF.8.a Warmup M2-023-A07-V03

Use factoring and completing the square to reveal zeros, extrema, and symmetry of quadratics.

Choose the equivalent quadratic form that best reveals zeros

Problem

Determine the form of \(x^{2}-4x+9\) that shows the \(y\text{-}\text{intercept}\) most directly. Explain how setting \(x=0\) makes the constant term the output, and state the intercept as an ordered pair without performing an unnecessary rewrite.

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Four variants of this problem type
Curriculum context
Course
Math II
Standard
F-IF.8.a
Category
Functions
Domain
Interpreting Functions
Objective
Use factoring and completing the square to reveal zeros, extrema, and symmetry of quadratics.
Problem type
Choose the equivalent quadratic form that best reveals zeros