You are working with a quadratic equation and construct the following graph. -8 -7 -3 -2 -1 -2 -4 Identify the vertex of the parabola: Remember that the vertex is a point! Identify the y-intercept of the parabola: Remember that the y-intercept is a point! Identify the x-intercepts: and Remember that the x-intercepts represent points on the graph! Given the x-intercepts above, write an equation for the parabola in factored form: y = Hint: Think about the zero-product property. Write an equation for the axis of symmetry:

You are working with a quadratic equation and construct the following graph. -8 -7 -3 -2 -1 -2 -4 Identify the vertex of the parabola: Remember that the vertex is a point! Identify the y-intercept of the parabola: Remember that the y-intercept is a point! Identify the x-intercepts: and Remember that the x-intercepts represent points on the graph! Given the x-intercepts above, write an equation for the parabola in factored form: y = Hint: Think about the zero-product property. Write an equation for the axis of symmetry:

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter10: Quadratic Equations

Section10.5: Graphing Quadratic Equations

Problem 209E: In the previous set of exercises, you worked with the quadratic equation R=x2+40x that modeled the...

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In the previous set of exercises, you worked with the quadratic equation R=x2+40x that modeled the revenue received from selling computers at a price of x dollars. You found the selling price that would give the maximum revenue and calculated the maximum revenue. Now you will look at more characteristics of this model. (a) Graph the equation R=x2+40x . (b) Find the values of the x-intercepts.