yipee! it's systems of equations! is (14, 5) a solution ... · 3/3/2018 · 3 systems...
TRANSCRIPT
3 systems elimination ADDSUB only 20172018.notebook March 08, 2018
Yipee! It's "systems of equations"!
your teacher...lol
Is (14, 5) a solution for
x + 14y = 84 2x 7y = 7
Solving Systems:
Linear Combination/Elimination How do I put an equation in STANDARD FORM???
your teacher...lol
What is STANDARD FORM?
Ax + By = C
...basically x and y are togehter on the same side of the equal sign.
Example:
4x 6 = 8y
3 systems elimination ADDSUB only 20172018.notebook March 08, 2018
Solving by elimination: JUST WATCH!!!
*elimination is sometimes called combinations or addition method.
2x 3y = 12x + 2y = 2 ~ look for same coefficient with
opposite signs on like variables
~ stack equations with variables aligned
~ combine the equations, eliminating one of the variables
~ substitute back into one of the equations to get other variable
1.)
8x 2y = 0 x + 2y = 7
~ look for same coefficient with opposite signs on like variables
~ stack equations with variables aligned
~ combine the equations, eliminating one of the variables
~ substitute back into one of the equations to get other variable
Now you try...2.)
3 systems elimination ADDSUB only 20172018.notebook March 08, 2018
3x + 2y = 73x + 4y = 5
3.)