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Algebra 2
Getting started
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Exponents and radicals
powers of negative bases (7:00)
powers of fractions (3:34)
zero as an exponent (1:52)
negative exponents (3:21)
negative exponents and power rule (6:51)
fractional exponents (5:17)
rationalize the denominator (6:34)
rationalize the denominator with conjugate method (9:24)
Ratio and proportion
word problems (4:59)
chemical compounds (4:23)
fractions to decimals to percents (5:22)
percent markup (4:24)
calculating commission
calculating simple interest
Complex fractions
complex fractions (24:32)
complex fractions and ratio and proportion (4:44)
Rational expressions
long division of polynomials (4:53)
reducing and cancellation for rational expressions (6:35)
adding and subtracting rational expressions (10:45)
multiplying rational expressions (6:34)
dividing rational expressions (5:51)
Imaginary numbers
imaginary numbers (10:17)
rationalize an imaginary denominator with conjugate method (7:03)
Advanced equations
direct variation (6:21)
inverse variation (4:44)
decimal equations (4:49)
fractional equations (13:34)
abstract fractional equations (16:27)
radical equations (11:53)
multivariable equations (3:18)
distance, rate and time (4:11)
Systems of equations
solving with cramer's rule (5:50)
system of two equations with subscripts (3:14)
uniform motion (6:14)
system of two equations with a quadratic equation (6:03)
number word problems (5:21)
age word problems (5:03)
system of three equations (12:42)
Factoring
factoring quadratic equations with coefficients (13:37)
factoring by grouping (9:00)
factoring the sum of two cubes (5:24)
factoring the difference of two cubes (6:52)
zero theorem (16:39)
Graphing
graphing parallel and perpendicular lines (7:58)
graphing parabolas (14:27)
finding center and radius of a circle (5:47)
graphing circles (6:55)
distance between two points (6:35)
equation modeling (6:28)
modeling a piecewise defined function (5:28)
sketching graphs from story problems (4:07)
graphing linear inequalities (9:15)
Manipulating functions
combinations of functions (6:08)
composite functions (4:26)
composite functions, domain (14:32)
horizontal line test (4:10)
inverse functions (6:01)
finding the equation of a function from points on its inverse (6:08)
Exponential and logarithmic functions
laws of logarithms (4:20)
Final exam
algebra 2 final exam
finding center and radius of a circle
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