MHB Join the MA104 College Algebra Forum at Lehman College

mathdad
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I would like to see a College Algebra forum. It is a course at Lehman College that gives students lots of trouble. At Lehman, the course is known as MA104.
 
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It's a good suggestion, though I took its equivalent in High School, not College. (Not an AP course.)

-Dan
 
MAT 104 College Algebra
Rational expressions, integer and rational exponents, quadratic formula, complex numbers, exponential and logarithmic functions, conic sections, trigonometry. Mathematics laboratory attendance may be assigned at the discretion of the instructor.
I think they all fit in the forums that already exist as https://mathhelpboards.com/trigonometry-12/ already has its own forum and the rest:

Rational expressions, integer and rational exponents, quadratic formula $\to $ https://mathhelpboards.com/pre-algebra-algebra-2/

Complex numbers, exponential and logarithmic functions, conic sections $\to$ https://mathhelpboards.com/trigonometry-12/
Some of those topics may fit either forum in any case. Someone correct me if this doesn't sound right.
 
The world of 2\times 2 complex matrices is very colorful. They form a Banach-algebra, they act on spinors, they contain the quaternions, SU(2), su(2), SL(2,\mathbb C), sl(2,\mathbb C). Furthermore, with the determinant as Euclidean or pseudo-Euclidean norm, isu(2) is a 3-dimensional Euclidean space, \mathbb RI\oplus isu(2) is a Minkowski space with signature (1,3), i\mathbb RI\oplus su(2) is a Minkowski space with signature (3,1), SU(2) is the double cover of SO(3), sl(2,\mathbb C) is the...

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