The Quadratic Formula
Watch these videos and complete the interactive exercises.
Quadratics by factoring - Questions
Answers
1.
Now let's factor the expression in the parentheses.
In conclusion,
The coefficient on the term is and the constant term is , so we need to find two numbers that add up to and multiply to .
The number used twice satisfies both conditions:
3.
Now let's factor the expression in the parentheses.
In conclusion,
The coefficient on the term is and the constant term is , so we need to find two numbers that add up to and multiply to .