Download Solve Quads By Factoring_Zero Product.notebook

Solve Quads By Factoring_Zero Product.notebook
M.I. Solving Quadratic Equations ­
Zero Product
Do Now: Solve for i.
9x ­ 7i > 3(3x ­ 7u)
Do Now: For what value(s) of x make
the equations true?
a) 3x = 5
b) x2 = 9
February 14, 2017
Solve Quads By Factoring_Zero Product.notebook
February 14, 2017
Important Questions to Think About...
• If the product of 2 numbers is 0 , what
can be said about its factors?
a * b = 0
• What if the product of 2 numbers is 10, does
the same idea hold true?
a * b = 10
• What can be said about either value of a or b?
a(b ­ 4) = 0
Solve Quads By Factoring_Zero Product.notebook
Model Example:
Solve for all possible value(s) of x.
TO SOLVE A QUADRATIC EQUATION
1­
2­
3­
4­
5­
&
February 14, 2017
Solve Quads By Factoring_Zero Product.notebook
Ex 2: Solve for x: Ex 3: Solve for x: Ex 4: Solve for x: Practice: Solve for x.
Ex 5: Ex 6: Ex 7:
February 14, 2017