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The zeros of a quadratic function, if they exist, are the values of the variable at which the graph crosses the horizontal axis.
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Earn +20 ptsQ: How can you use a graph to find zeros of a quadratic function?
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Continue Learning about Algebra
How do you find the zeros of any given polynomial function?
by synthetic division and quadratic equation
How do you find the zeros in an equation by looking on a graph?
They are all the points where the graph crosses (or touches) the x-axis.
What is the graph of a quadratic formula?
In general, quadratic equations have graphs that are parabolas. The quadratic formula tells us how to find the roots of a quadratic equations. If those roots are real, they are the x intercepts of the parabola.
How do you use a graphing calculator to solve quadratic equations?
Graph the equation then find the x intercepts.
Find the coordinates of a second point on the graph of a function f if the given point is on the graph and the function is even?
If the point (x,y) is on the graph of the even function y = f(x) then so is (-x,y)
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