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Basic Algebra Review
Arithmetic Progression
Basic Algebra Review Part 4: Arithmetic Progression (Tagalog)
Video of Basic Algebra Review Part 4: Arithmetic Progression (Tagalog)
Formulas:
The common difference:
$d = a_2 - a_1 = a_3 - a_2 = a_4 - a_3 = ~ ...$
The
n
th
term:
$a_n = a_m + (n - m)d$
Sum of the first
n
terms of AP:
$S_n = \frac{1}{2}n(a_1 + a_n) = \frac{1}{2}n \big[ \, 2a_1 + (n - 1)d \, \big]$
‹ BARC Quiz 1: Solution and Q&A
up
Geometric Progression ›
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Basic Algebra Review
Welcome to Free Online Review: Basic Algebra
BARC: Pretest
Exponents, Radicals and Logarithms
The Binomial Theorem
The Quadratic Equation
BARC Quiz 1: Exponents, Binomials, Quadratics
Arithmetic Progression
Geometric Progression
More on Progressions
BARC Quiz 2: Progressions
Factor and Remainder Theorems
Partial Fractions
Variations and Proportions
BARC Quiz 3: All previous topics
Number-Related Problems
Clock-related Problems
Age-related Problems
BARC Quiz 4: Number-Clock-Age Problems
Motion-related Problems
Mixture-related Problems
Work-related Problems
Other Types of Verbal Problems
BARC Quiz 5: Verbal Problems
BARC Unit Exam: All discussed topics
Counting Techniques
Permutation and Combination
Probability
BARC Quiz 6: Counting, Permutation, Combination, Probability
The Binomial Probability Distribution
Normal Probability Distribution
Other Forms of Probability Distribution
BARC Quiz 7: Probability Distributions
BARC: Final Exam
Download All BARC Files
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