Solving Systems of Equations

Substitution, graphing, and elimination

Graphing, substitution, and using a matrix on the TI-84

Elimination, graphing, and using a matrix on the TI-84

Substitution, elimination, and using a matrix on the TI-84

It requires equations to be in slope-intercept form

It can only graph equations in standard form

It can graph equations in both slope-intercept and standard form

It does not require any form of the equation

Slope-intercept form

Any form

Point-slope form

Standard form

x = 2, y = 1

x = 1, y = 3

x = 1, y = 2

x = 2, y = 3

y = 3x + 5

x = 3y + 5

y = -3x + 5

x = -3y + 5

x = 2

x = 1

x = 3

x = 0

By using the matrix method

By solving for y directly

By using the graph

By substituting x into the original equation

y = 1

y = 3

y = 2

y = 0

rref

solve

matrix

rref2

x = 2, y = 3

x = 1, y = 2

x = 1, y = 3

x = 2, y = 1