1. Fill in the table for each parabola equation. BE CAREFUL! Some information is not given by certain equations! 6 Equation y = 2(x - 5)(x + 9) y=-(x + 2)² +6 y = 4(x+2)(x+8) Zeros Direction of Opening Axis of Symmetry Step Pattern Vertex 2. A cannonball is shot into the air. Its height can be described by the equation h = -3(t-1)(-9) where his height in feet and t is time in seconds. (a) What are the zeroes of this relation? and (b) What do the zeroes mean in this situation? (c) What is the axis of symmetry and what does it represent? Use the axis of symmetry to find the vertex and explain what the vertex means for the cannonball. 3. The equation P = -0.5(n-500)(n-10) describes a company's profit P, based on how many units are sold, n. What are the break-even points of the company, and how many units must be sold to make a maximum profit?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Lesson 5: Factored Form of a Quadrade Relation - Practice Questions
1. Fill in the table for each parabola equation. BE CAREFULI Some information is not given by certain
equations!
Equation
y = 2(x - 5)(x + 9)
y -(x + 2) + 6
y = 4(x+2)(x + 8)
Zeros
Direction of
Opening
Axis of Symmetry
Step Pattern
Vertex
2. A cannonball is shot into the air. Its height can be described by the equation h = -3(t – 1)(t - 9) where h is
height in feet and t is time in seconds.
(a)
What are the zeroes of this relation?
and
(b)
What do the zeroes mean in this situation?
What is the axis of symmetry and what does it represent?
(d)
Use the axis of symmetry to find the vertex and explain what the vertex means for the cannonball.
3. The equation P = -0.5(n – 500)(n – 10) describes a company's profit P, bascd on how many units are sold,
n. What are the break-even points of the company, and how many units must be sold to make a maximum
profit?
Transcribed Image Text:Lesson 5: Factored Form of a Quadrade Relation - Practice Questions 1. Fill in the table for each parabola equation. BE CAREFULI Some information is not given by certain equations! Equation y = 2(x - 5)(x + 9) y -(x + 2) + 6 y = 4(x+2)(x + 8) Zeros Direction of Opening Axis of Symmetry Step Pattern Vertex 2. A cannonball is shot into the air. Its height can be described by the equation h = -3(t – 1)(t - 9) where h is height in feet and t is time in seconds. (a) What are the zeroes of this relation? and (b) What do the zeroes mean in this situation? What is the axis of symmetry and what does it represent? (d) Use the axis of symmetry to find the vertex and explain what the vertex means for the cannonball. 3. The equation P = -0.5(n – 500)(n – 10) describes a company's profit P, bascd on how many units are sold, n. What are the break-even points of the company, and how many units must be sold to make a maximum profit?
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