1. A quadratic function is defined by the equation f(x) = x² – 4x + 5 . Sketch the graph for this parabola. - Include the AOS, vertex, y-intercept, and at least one additional point on your graph. Label all points with coordinates.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter9: Quadratic Functions And Equations
Section9.2: Transformations Of Quadratic Functions
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1. A quadratic function is defined by the equation f(x) = x² – 4x + 5 . Sketch the graph for this parabola.
Include the AOS, vertex, y-intercept, and at least one additional point on your graph. Label all points with
coordinates.
2. An ice cream company varies the prices of its pint containers to maximize profit. The equation
P (x) =- 80x² + 480x – 570 models the company's profit in thousands of dollars, where x is the price of a
pint of ice cream in dollars.
a. At what price will the company have received maximum profit?
b. What is the maximum profit the company will earn?
3. A quadratic function is graphed below. Write the equation for this function in standard form.
-5
-5
5
(1, –3)
(о, -5)
-5
(2, –5)
10
--15
4. A quadratic function is defined by the equation y = x² + bx – 6 and when the y-intercept is reflected
over the x-axis, the coordinate point (-4, -6) results. What is the value of b?
Transcribed Image Text:1. A quadratic function is defined by the equation f(x) = x² – 4x + 5 . Sketch the graph for this parabola. Include the AOS, vertex, y-intercept, and at least one additional point on your graph. Label all points with coordinates. 2. An ice cream company varies the prices of its pint containers to maximize profit. The equation P (x) =- 80x² + 480x – 570 models the company's profit in thousands of dollars, where x is the price of a pint of ice cream in dollars. a. At what price will the company have received maximum profit? b. What is the maximum profit the company will earn? 3. A quadratic function is graphed below. Write the equation for this function in standard form. -5 -5 5 (1, –3) (о, -5) -5 (2, –5) 10 --15 4. A quadratic function is defined by the equation y = x² + bx – 6 and when the y-intercept is reflected over the x-axis, the coordinate point (-4, -6) results. What is the value of b?
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