LEARNING COMPETENCY DIRECTORY Teacher's Name: Reference Used:
RAYMOND A. GORDA (1) Math @ Work 4: Advanced Algebra, Trigonometry, & Statistics by Janet D. Dionio (2) Advanced Algebra with Trigonometry & Statistics by Soledad Jose-Dilao, et. al.
MATHEMATICS IV
Covered Unit/Chapter
No. of Days Covered
Competencies
Subject::
Lessons
Target Activities Book #
Page #
Letter/ No.
Book #
Page #
Define a function and demonstrate understanding of the definition;
1
Definitions of Functions
1
1-6
A–D
1
2–6
Given some real life relationships, identify those are functions.
1
Identifying Functions in Real Life Situations
1
7-9
A–C
1
8–9
Determine whether a given set of ordered pairs is a function or mere relations.
2
Representing Functions by Ordered Pairs
1
10 – 13
A–C
1
11 – 13
14 – 18 10 – 12
A–B
1
14 – 16
Draw the graph of a given set of ordered pairs; determine whether the graph represents a function or a mere relation.
1
Graphs of Relations and Functions
1 2
Use the vertical line test to determine whether the graph represents a function or not.
1
The Vertical Line Test
1
19 – 21
A–B
1
20 – 21
Illustrate the meaning of the functional notation f(x); determine the value of f(x) given a value for x.
1
The Functional Notation f(x)
1
22 – 24
A–B
1
23
Define the linear function f(x) = mx + b; given a linear function Ax the form of f(x) = mx + b and vice–versa
2
Linear Function
1
27 – 29
A–C
1
28 – 29
Draw the graph of a linear function given the following: any two points; x and y intercepts; slope and one point; or slope and y-intercept
2
Graphs of Linear Function
1
30 – 38
A–E
1
31 – 38
Given f(x) = mx + b, determine the following: slope; trend; increasing or decreasing; x and y intercept; or some points.
2
Finding the Slope, Intercepts, Points & Trend of the Linear Function f(x) = mx + b
1
39 – 41
A–C
1
40 – 41
Determine f(x) = mx + point; or any two points
2
Equation of the Linear Function
1
42 – 47
A–F
1
43 – 47
3
Problem Solving
1
48 – 50
1
49 – 50
1
Quadratic Functions
1
51 – 53
A–C
1
52 – 53
1
54 – 55
A, B
1
55
A, B
1
57 – 59
1
62 – 66
+ By = C, rewrite in
b given: slope and y-intercept; x and y intercepts; slope and one
Apply knowledge and skills related to linear functions in solving problems. Define a quadratic function ax
2
+ bx + c = 0; identify quadratic function Rewrites a quadratic function ax2 + bx + c = 0 in the form of f(x) = a(x – h)2 + k and vice–versa
2
Transforming Quadratic Functions to
f(x) = a(x – h)2 + k
Given a quadratic function, determine: highest or lowest point (vertex); axis of symmetry; or direction of opening of the graph.
1
Properties of the Graph of the Quadratic Functions
1
56 – 59
Draw the graph of a quadratic function using the vertex, axis of symmetry, or assignment of points.
2
Drawing the Graph of a Quadratic Functions
1
60 – 66
1
67 – 70
A–C
1
68 – 70
The Effects of the Changes in a, h, and k on the Graph of
= a(x – h)2 + k.
1
Determine the “zeros of a quadratic function” by relating this to “roots of a quadratic equation”; find the roots of a quadratic equation by factoring, quadratic formula, or completing the square.
3
Zeros of Quadratic Functions
1
71 – 76
A–D
1
73 – 76
Derive a quadratic function given zeros of a function or table of values.
2
Deriving Quadratic Functions
1
77 – 79
A–C
1
78 – 79
Analyze the effects on the graph of changes in a, h, and k in f(x)
f(x) = a(x – h)2 + k
Apply knowledge and skills related to quadratic functions and equations in problem solving.
3
Application of Quadratic Functions
1
80 – 83
Review the definition of polynomials; identify a polynomial from a list of algebraic expressions.
1
Polynomials
1
91 – 94
Define a polynomial function; identify a polynomial function from a given set of relations; determine the degree and number of of a given polynomial function
3
Polynomial Functions
1
Find the quotient of polynomials by algorithm & synthetic division; find by synthetic division the quotient and the remainder when p(x) is divided by (x – c)
3
Division of Polynomials
State and illustrate the Remainder Theorem; find the value of p(x) for x division or remainder theorem; state and illustrate the factor theorem
4
Find the zeros of polynomial functions of degree greater than 2 by factor theorem, factoring, synthetic division, or depressed equations.
1
81 – 83
A–D
1
92 – 94
95 – 100
A–F
1
97 – 100
1
101 – 105
A–D
1
103 – 105
The Remainder Theorem & the Factor Theorem
1
106 – 109
A–D
1
108 – 109
3
Zeros of Polynomial Functions of Degree Greater than 2
1
113 – 117
A–D
1
116 –117
Identify certain relationships in real life which are exponential; define the exponential function f(x) = ax and differentiate it from other functions; given a table of ordered pairs, state whether the trend is exponential or not
2
Definition of Exponential Functions
1
122 – 126
A–C
1
123 – 126
Draw the graph of an exponential function f(x) = ax ; describe some properties of the exponential function or its graph; given the graph of an exponential function determine the domain, range, intercepts, trend, & asymptote
2
Properties of Exponential Function & Its Graph
1
135 – 138
A–E
1
136 – 138
Use the laws on exponents to find the zeros of exponential functions
2
Laws of Exponents
1
139 – 141
A–D
1
140 – 141
Define inverse functions; determine the inverse of a given function
2
Inverse Functions/Relations
1
142 –146
A–D
1
144 –146
Define the logarithmic function f(x) f(x) = ax.
1
The Logarithmic Function
1
147 – 148
A–B
1
148
State the laws for logarithms; apply the laws for logarithms; solve simple logarithmic equations.
4
Laws of Logarithms Application of the Laws of Logarithms
1
150 – 153
A–C
1
152 – 153
Solve problems involving exponential and logarithmic functions.
3
Application of Exponential and Logarithmic Functions
1
154 – 156
A
1
155 – 156
Define unit circle, arc lengths, & unit measures of an angle; convert from degree to radian and vice–versa.
3
The Unit Circle
1
157 – 159
A–C
1
158 – 159
Illustrates angles in standard position, coterminal angles, & reference angle.
3
Angles in Standard Position
1
160 – 162
A–C
1
161 – 162
Visualize rotations along the unit circle and relate these to angle measures (clockwise or counterclockwise directions): length of an arc, angles beyond 360o or 2π radians
2
Rotations Along the Unit Circle
1
163 – 165
A–B
1
163 – 165
Given an angle in standard position in a unit circle, determine the coordinates of the point of intersection of the unit circle and the terminal side.
3
Coordinates of the Point of Intersection of the Unit Circle and the Terminal Side
1
170 – 171
A–E
1
170 – 171
Define sine functions; state the sine of an angle; define cosine functions; state the cosine of an angle
3
The Sine Function & the Cosine Function of Special Number
1
172 – 175
A–C
1
173 – 175
Define tangent function and other circular functions; state the tangent and other circular functions of an angle
4
The Tangent Function and Other Circular Functions of θ. Use of Calculator to Get sin θ, cos θ, & tan θ.
1
176 – 181
A–D
1
177 – 181
Describe the properties of the graphs of sine, cosine, & tangent functions.
2
Graphs of Sine, Cosine, & Tangent Functions
1
182 – 183
A–D
1
183
State the fundamental trigonometric identities and use these identities to solve other identities.
2
The Eight Fundamental Identities
1
184 – 186
A–E
1
185 – 186
Solve simple trigonometric equations.
2
Simple Trigonometric Equations
2
240 – 243
5–9
2
243
Solve problems involving right triangles.
3
Solving Right Triangle Applications of the Trigonometric Functions
2
246 – 247 248 – 250
1–5 1–5
2
247 249 – 250
= k by synthetic
= loga x as the inverse of the exponential function
Solve problems involving triangles using the sine law.
2
The Law of Sine
2
250 – 253
2
257 – 258
Solve problems involving triangles using the cosine law.
2
The Law of Cosine
2
254 – 258
2
257 – 258
Define statistics, sample, & population; give the importance of the study of statistics
2
Statistics Defined
2
264 – 267
2
266 – 267
State and explain the different sampling techniques
2
Sampling
2
267 – 272
2
272
Analyze, Interpret accurately, and draw conclusion from graphic and tabular presentation of statistical data
4
Organizing Data Table & Graphs
2
273 – 280
2
275, 278, 279, 281
Construct frequency distribution table
2
Frequency Distribution
2
282 – 285
2
284 – 285
Use the rules of summation to find sums
2
Summation
2
286 – 289
2
289
Find the arithmetic mean, grouped & ungrouped
3
The Mean
2
290 – 294
2
294
Find the median, grouped & ungrouped
4
The Median
2
295 – 298
2
298
Find the mode, grouped & ungrouped
2
The Mode
2
299 – 301
2
300 – 301
calculate the different measures of variability relative to a given set of data, grouped or ungrouped, range & standard deviation; give the characteristics of a set of data using the measures of variability
5
Measures of Variability
2
302 – 307
2
303, 305, 307
from a given statistical data, analyze, interpret, draw conclusions, make predictions, and make recommendations / decisions.
4
Analyzing Data Set
2
308 – 311
2
310 – 311