This document provides examples and practice problems for transforming quadratic functions between standard and vertex form, finding the vertex, axis of symmetry, and maximum/minimum values. It begins with examples of transforming the functions f(x) = x^2 + 6x + 8 and f(x) = 2x^2 - 8x + 5 to vertex form. Later activities involve matching standard and vertex forms, finding the vertex and other properties for given functions, and multiple choice questions testing these skills. The document aims to help learn and practice competency in working with quadratic functions.
This learner's module discusses or talks about the topic of Quadratic Functions. It also discusses what is Quadratic Functions. It also shows how to transform or rewrite the equation f(x)=ax2 + bx + c to f(x)= a(x-h)2 + k. It will also show the different characteristics of Quadratic Functions.
* Recognize characteristics of parabolas.
* Understand how the graph of a parabola is related to its quadratic function.
* Determine a quadratic function’s minimum or maximum value.
* Solve problems involving a quadratic function’s minimum or maximum value.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
This learner's module discusses or talks about the topic of Quadratic Functions. It also discusses what is Quadratic Functions. It also shows how to transform or rewrite the equation f(x)=ax2 + bx + c to f(x)= a(x-h)2 + k. It will also show the different characteristics of Quadratic Functions.
* Recognize characteristics of parabolas.
* Understand how the graph of a parabola is related to its quadratic function.
* Determine a quadratic function’s minimum or maximum value.
* Solve problems involving a quadratic function’s minimum or maximum value.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Turning Point of the Pokemon Battle. pptx
1.
2. Leaning Competency:
1. Transform Quadratic function defined by f(x) = ax2 + bx + c into the
form f(x) = a(x – h)2 + k
2. Determine the vertex /turning point of the quadratic function
3. Find the axis of symmetry and maximum/ minimum value of the
quadratic function
3. Picachu, some of my
pokemon are caught by
Team Rockets. Return
my pokemon.
Haha You could only get
them if you solve
problems involving
vertex of a function
correctly.
Oh no! Ash,
We need to
help
them.Picka..
Picka…
You will
undergo 2 battle
stations for you
save your
pokemon
4. Picachu, I still remember the steps to
transform quadratic function in the
standardform f(x) = ax2 + bx + c to vertex
form f(x) = a(x – h)2 + k and from that we
could get the value vertex (h, k). But I already forget it. May you help me to
remind so that we can do it together?
Ex. #1 is when a = 1 say,
f(x) = x2 + 6x + 8
1. Complete the square
= (x2 + 6x) + 8
=(x2 + 6x + 9) + 8 – 9
2. Factor and Combine
F(x) = (x + 3)2 - 1
∴ vertex (- 3, -1)
Axis of symmetry = - 3
Minimum value = -1
Really Ash? As
easy as that. How
about if a is greater
than or less than
1?
Ex #2: Change f(x) =2x2 – 8x + 5 to
vertex form a>1.
1. Factor
= 2(x2 - 4x) + 5
2. Complete the square
= 2(x 2 – 4x + 4) + 5 – 8
3. Factor and combine
F(x) = 2(x – 2)2 – 3
∴ vertex (2, -3)
Axis of symmetry = 2
Minimum value = -3
Well, I learned a lot. I
am now ready for
Pokemon Battle.
5. Lets work
together to do
this
You have to
get 5 correct
anwers to
save
Bulbasur
Matching Type. Match the standard form in Column A with the
Corresponding vertex form in Column B.
A B
_____1. x2 + 4x + 3 a. f(x) = (x – 5)2 – 32
_____2. x2 – 10x - 7 b. f(x) = (x + 3/2)2 – 25/4
_____3. x2 + 3x - 4 c. f(x) = (x + 2)2 – 1
_____4. 3x2 – 6x + 10 d. f(x) = 3(x – 6)2 + 2
_____5. -5x2 + 3x + 8 e. f(x) = -5(x – 3/10)2 + 209/20
f. f(x) = 3(x – 1)2 + 7
Activity 1
6. With our
teamwork, I
am sure that
we could get
my pokemon.
At this time,
lets see if you
can still
perfectly get
it to save
Psyduck.
I. Find the vertex of the following quadratic equations and then,
determine the axis of symmetry (h) and maximum/minimum value (k).
1 f(x) = (x + 7)2 + 5
2. f(x) = 4(x – 1)2 + 9
3. f(x) = x2 + 2x – 11
4. f(x) = x2 + 5x + 6
5. f(x) = 3x2 – 12x – 7
Activity 2
7. I. Multiple Choice.
1. Express f(x) = x2 – 12x + 6 to f(x) = a(x – h)2 + k form,
a. f(x) = (x – 12)2 + 13 b. f(x) = (x+ 3)2 – 10 c. f(x) = (x – 6)2 – 30
2. What is the vertex of f(x) = 2(x + 5)2 + 2?
a. (5, 2) b. (-5, 2) c. (2, -5)
3. What is the axis of symmetry of f(x) = x2 + 2x – 3?
a. X= -4 b. x = -1 c .x = 2
4. What is the minimum value of f(x) = 3(x + 4)2 – 8?
a. 3 b. 4 c. -8
5. Find the turning point of f(x) = -2x2 – 8x + 7.
a. (-2, 15) b. (-8, 7) c. (-2, 7)
How much have you learned?
8. Think of this:
The height h in feet of a ball t seconds after
being tossed upwards is given by the
function h(t) = 84t – 16t2.
a. After how many seconds will hit the
ground?
b. What is the maximum height?
10. Activity 1
1. c
2. a
3. b
4. f
5. e
Activity 2
Axis of symmetry Maximum/minimum
value
1. (-7, 5) h = -7 k = 5
2. (1, 9) h = 1 k = 9
3. (-1, -12) h= -1 k = -12
4. (-5/2, -1/4) h = -5/2 k = -1/4
5. (2, -19) h = 2 k = -19
Assessment
1.c
2. b
3. b
4.c
5.a