# Keyword Analysis & Research: standard form quadratic function graph

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Which quadratic function is represented by the graph?

Quadratic functions are nonlinear functions that are graphically represented by parabolas. Parabolas have a characteristic ∪-shape and open either upward or downward as shown below, A few things to notice about these graphs: The lowest point of a parabola that opens upward is called the vertex of the parabola.

What quadratic function does the graph represent?

Quadratic function. A quadratic function, in mathematics, is a polynomial function of the form The graph of a quadratic function is a parabola whose axis of symmetry is parallel to the y-axis.

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

The roots of a quadratic equation are the x-intercepts of the graph . Graph the equation. This could either be done by making a table of values as we have done in previous sections or by computer or a graphing calculator. The parabola cross the x-axis at x = -2 and x = 5. These are the roots of the quadratic equation.

What is the formula for quadratic graphs?

Graphing Quadratic Equations. A quadratic equation is a polynomial equation of degree 2 . The standard form of a quadratic equation is. 0 = a x 2 + b x + c. where a , b and c are all real numbers and a ≠ 0 . In this equation, ( 0 , c ) is the y -intercept of the parabola.