Finding the Roots of a Quadratic Function from a Graph

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Brandon Howard

10th Grade

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Graphs of Quadratic Functions

Question Id : 14243

3 of 103 of 10 Items

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Question

What are the roots of the quadratic function in the graph?

Responses

-12

-4, 3

-4,-3

-3, 4

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Solution

To determine the roots of a quadratic function from a graph, we look for the x-intercepts. The roots are the points where the graph crosses the x-axis.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Graphing Quadratics

Formulas

Quadratic equation form: ax^2 + bx + c = 0

Theorems

Roots of a quadratic function are the x-intercepts of the graph.

Suitable Grade Level

Grades 9-10

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