SCC Courses

 

Math 121 Intermediate Algebra

Math 121 Intermediate Algebra

Syllabus for spring 2017

Notes for the 6th edition are being added here. Some links to help you with these sections
7.1 notes

free online graphing calculator

finding slope of a line through 2 given points

graphing a line when given a point and a slope

graphing a line given in slope-intercept form (y=mx+b)

examples of finding the midpoint

7.2-7.3 notes

writing the equation of a line, given a point and a slope (method 1)

writing the equation of a line, given a point and a slope (method 2)

writing the equation of a line, given 2 points (method 1)

writing the equation of a line, given 2 points (method 2)

graphing a line given in slope-intercept form (y=mx+b)

the forms of linear equations

free online graphing calculator

solving systems of equations graphically

7.4-7.5

solving systems of equations using substitution

solving systems of equations using elimination

solving systems of equations using elimination

7.6 notes

solving systems of 3 equations in 3 variables

solving systems of 3 equations in 3 variables

7.7 notes

application problems using systems

more application problems using systems

even more application problems using systems

8.1-8.2 notes and revised schedule after snow day

intersection and union of sets

graphing intervals on a number line and interval notation

solving compound inequalities, graphing solutions, and interval notation

8.3-8.4 notes

absolute value inequalities

more absolute value inequalities

still more absolute value inequalities

and still more absolute value inequalities

9.1 notes

relations and functions, domain and range

longer video on relations, function, domain, and range

9.2-9.3 notes

add, subtract, multiply, and divide functions

composition of functions

4 operations on functions and composition of functions

10.1-10.2 notes

square roots

more on square roots

intro to cube roots

more on cube roots

square roots, cube roots, fourth roots, and higher roots

rational exponents

more on rational exponents

end of 10.2 notes and start of 10.3 notes

rational exponents

more on rational exponents

multiplying and dividing radicals

simplifying and multiplying radicals

end of 10.3 notes, circles, and all of 10.4

add and subtract radicals

more on adding and subtracting radicals

10.5 notes

multiplying and dividing radicals

simplifying and multiplying radicals

dividing radicals

rationalize the denominator

add and subtract radicals

more on adding and subtracting radicals

rationalizing the denominator

10.6 notes

solving radical equations

more on solving radical equations

extraneous solutions from radical equations

10.7 notes

imaginary numbers

more on imaginary numbers and complex numbers

simplifying radicals that result in imaginary numbers

11.1-11.2 notes

solving equations with the square root method

more on solving equations with the square root method

completing the square

more completing the square

still more completing the square

11.3 and first half of 11.4

using the quadratic formula

more on using quadratic formula

solving rational equations

more on solving rational equations

equations in quadratic form

more on equations in quadratic form

second half of 11.4, all of 11.5, and first part of 11.6

solving rational equations

more on solving rational equations

equations in quadratic form

more on equations in quadratic form

applications of quadratic equations

more applications of quadratic equations

graphing quadratic functions

more graphing quadratic functions

still more graphing quadratic functions

last part of 11.6 and all of 11.7

graphing quadratic functions

more graphing quadratic functions

still more graphing quadratic functions

12.1-12.2 notes  
12.3 notes

converting between logarithmic and exponential forms

more converting between logarithmic and exponential forms

12.4 notes

rewriting logarithmic expressions

more rewriting logarithmic expressions

still more rewriting logarithmic expressions

and even more rewriting logarithmic expressions

 

Notes for the 5th edition:

(a few sections of notes are missing due to technology problems)

Some links to help you with these sections

Notes for 7.1

Another set of notes for 7.1

free online graphing calculator

finding slope of a line through 2 given points

graphing a line when given a point and a slope

graphing a line given in slope-intercept form (y=mx+b)

examples of finding the midpoint

Notes for 7.2

Another set of notes for 7.2, with some 7.3

writing the equation of a line, given a point and a slope (method 1)

writing the equation of a line, given a point and a slope (method 2)

writing the equation of a line, given 2 points (method 1)

writing the equation of a line, given 2 points (method 2)

graphing a line given in slope-intercept form (y=mx+b)

the forms of linear equations

Notes for 7.3

relations and functions, domain and range

longer video on relations, function, domain, and range

Notes for 7.3 and 7.4  

Notes for 7.5

Another set of notes for 7.5

add, subtract, multiply, and divide functions

composition of functions

4 operations on functions and composition of functions

Notes for 8.1-8.2

Another set of notes for 8.1-8.2

free online graphing calculator

solving systems of equations graphically

solving systems of equations using substitution

Notes for 8.3

solving systems of equations using elimination

solving systems of equations using elimination

Notes for 8.4-8.5

More notes for 8.5

solving systems of 3 equations in 3 variables

solving systems of 3 equations in 3 variables

application problems using systems

more application problems using systems

Notes for 8.5-9.1

More notes for 9.1

even more application problems using systems

intersection and union of sets

graphing intervals on a number line and interval notation

solving compound inequalities, graphing solutions, and interval notation

Notes for 9.1-9.2

More notes for 9.2

absolute value inequalities

more absolute value inequalities

still more absolute value inequalities

and still more absolute value inequalities

Notes for 9.3  

Notes for 10.1-10.2

More notes for 10.1-10.2

square roots

more on square roots

intro to cube roots

more on cube roots

square roots, cube roots, fourth roots, and higher roots

rational exponents

more on rational exponents

Notes for 10.3-10.4

multiplying and dividing radicals

simplifying and multiplying radicals

dividing radicals

rationalize the denominator

add and subtract radicals

more on adding and subtracting radicals

Notes for 10.5-10.7
more notes for 10.5
more notes for 10.5-10.6

rationalizing the denominator

solving radical equations

more on solving radical equations

extraneous solutions from radical equations

Notes for 10.7
more notes for 10.7

imaginary numbers

more on imaginary numbers and complex numbers

simplifying radicals that result in imaginary numbers

Notes for 11.1-11.2
more notes for 11.1-11.2

solving equations with the square root method

more on solving equations with the square root method

completing the square

more completing the square

still more completing the square

Notes for 11.3-11.4


More notes for 11.3-11.4

using the quadratic formula

more on using quadratic formula

solving rational equations

more on solving rational equations

equations in quadratic form

more on equations in quadratic form

Notes for 11.5-11.6

notes for end of 11.4, all of 11.5, and a bit of 11.6

notes for end of 11.6 and all of 11.7

applications of quadratic equations

more applications of quadratic equations

graphing quadratic functions

more graphing quadratic functions

still more graphing quadratic functions

Notes for 11.7

the discriminant

domain and range from the graph of a parabola

transformations of quadratic functions

Notes for 13.2
More notes for 13.2

equations of circles

more on equations of circles

changing from standard form to vertex form for a parabola

more changing from standard form to vertex form for a parabola

Notes for 12.1 and 12.2  
Notes for 12.3
More notes for 12.3

converting between logarithmic and exponential forms

more converting between logarithmic and exponential forms

Notes for 12.4
More notes for 12.4

rewriting logarithmic expressions

more rewriting logarithmic expressions

still more rewriting logarithmic expressions

and even more rewriting logarithmic expressions