Mathematics — first biennium · Lesson
A trinomial is a perfect square only if its middle term is exactly twice the product of the two roots.
Prerequisites: Notable products and common factors
Goal: Recognize differences of squares and perfect-square trinomials.
In this lesson: Recognize differences of squares and perfect-square trinomials.
How to proceed: Take the square roots of the outer terms and verify the middle term 2ab before factoring.
You can already assume: Notable products and common factors.
Completed exercises: 0/5 · Correct on first attempt: 0
Take the square roots of the outer terms and verify the middle term 2ab before factoring.
Data / situation: x²+8x+16
ConceptStep separates what is required from what is recommended or useful as reinforcement. Only required prerequisites block your progress.
Relationships: solid line = required · dashed line = recommended · dotted line = reinforcement.