Problem preview
F-IF.7.a Warmup M1-025-A07-V01

Graph linear and quadratic functions and show key features such as intercepts, maxima, and minima.

Graph a quadratic from standard form using key features

Problem

Graph \(y~=~x^{2}~-~4x~+~3\) on the grid. State its standard-form parameters, axis of symmetry, vertex, discriminant, intercepts, opening, and range.

Big Picture

What this problem is really about

Standard form spreads the key features across several calculations, so we’ll organize them around symmetry. We’ll read the coefficients, use them to find the axis and vertex, then use the discriminant and factoring to locate any real horizontal intercepts. The constant gives the vertical intercept, and the leading coefficient tells whether the vertex sets the lower or upper range boundary.

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Four variants of this problem type
Curriculum context
Course
Math I
Standard
F-IF.7.a
Category
Functions
Domain
Interpreting Functions
Objective
Graph linear and quadratic functions and show key features such as intercepts, maxima, and minima.
Problem type
Graph a quadratic from standard form using key features