Systems of Linear Equations and Inequalities
1) Explanation: http://www.purplemath.com/modules/systlin1.htm
2) Practice: http://www.regentsprep.org/Regents/math/ALGEBRA/AE3/indexAE3.htm
3) Web power point: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&ved=0CDIQFjAAOAo&url=http%3A%2F%2Fwww.mathnmind.com%2FPowerPoints%2FAlgebra2Presentation%2Falg2_fl%2Fch03%2Falg2_fl_ch03_02.ppt&ei=FVw6Uae1FIaW8gTmhIGAAQ&usg=AFQjCNHkAFN8TEahhXg73UHDEm4Rg0jeqA&sig2=6OKnnFtaRXooGSK6S1AJ4A&bvm=bv.43287494,d.eWU
4) Explanation and practice: http://www.algebra-class.com/substitution-method.html
5) Graphic Organizer (to help you take notes)
2) Practice: http://www.regentsprep.org/Regents/math/ALGEBRA/AE3/indexAE3.htm
3) Web power point: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&ved=0CDIQFjAAOAo&url=http%3A%2F%2Fwww.mathnmind.com%2FPowerPoints%2FAlgebra2Presentation%2Falg2_fl%2Fch03%2Falg2_fl_ch03_02.ppt&ei=FVw6Uae1FIaW8gTmhIGAAQ&usg=AFQjCNHkAFN8TEahhXg73UHDEm4Rg0jeqA&sig2=6OKnnFtaRXooGSK6S1AJ4A&bvm=bv.43287494,d.eWU
4) Explanation and practice: http://www.algebra-class.com/substitution-method.html
5) Graphic Organizer (to help you take notes)
Graphing Systems of Equations
![Picture](/uploads/1/6/6/0/16603678/809917017.gif)
1) Watch this video: https://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/systems-through-examples/v/graphings-systems-of-equations
2) Practice: https://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/systems-through-examples/e/graphing_systems_of_equations 3) Solving by graphing: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-by-graphing
2) Practice: https://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/systems-through-examples/e/graphing_systems_of_equations 3) Solving by graphing: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-by-graphing
Solving by Elimination (sometimes called Solving by Addition)
![Picture](/uploads/1/6/6/0/16603678/481530470.gif)
1) Practice, word problems: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-elimination-word-problems
2) Practice: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-elimination
3) Explanation AND video: http://www.mathplanet.com/education/algebra-1/systems-of-linear-equations-and-inequalities/the-elimination-method-for-solving-linear-systems
4) Explanation, textbook style: http://www.purplemath.com/modules/systlin5.htm
2) Practice: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-elimination
3) Explanation AND video: http://www.mathplanet.com/education/algebra-1/systems-of-linear-equations-and-inequalities/the-elimination-method-for-solving-linear-systems
4) Explanation, textbook style: http://www.purplemath.com/modules/systlin5.htm
Solving by Substitution
![Picture](/uploads/1/6/6/0/16603678/301123027.jpg?216)
1) Practice, word problems): http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-substitution-word-problems
2) Practice: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-substitution
3) Explanation:http://www.regentsprep.org/regents/math/algebra/ae3/algsys.htm
4) Explanation, textbook style: http://www.purplemath.com/modules/systlin4.htm
2) Practice: http://www.ixl.com/math/algebra-1/solve-a-system-of-equations-using-substitution
3) Explanation:http://www.regentsprep.org/regents/math/algebra/ae3/algsys.htm
4) Explanation, textbook style: http://www.purplemath.com/modules/systlin4.htm
Systems of Linear Inequalities
![Picture](/uploads/1/6/6/0/16603678/128163683.gif)
1) Textbook style: http://www.purplemath.com/modules/syslneq.htm
2) Video: https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/v/graphing-systems-of-inequalities-2
3) Practice: https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/e/graphing_systems_of_inequalities_2
2) Video: https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/v/graphing-systems-of-inequalities-2
3) Practice: https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/e/graphing_systems_of_inequalities_2