Unit 11 · Skill 3 of 4
○Not startedFactoring Trinomials
Factor x² + bx + c and ax² + bx + c.
Watch the video
Start here (or skip if you already know it)
Visualize it
Explore it, then spot the correct graph
Practice problems
Answer 3 problems (80%+ correct)
Step 1: Watch
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Step 2: Visualize
Play with the interactive model to see how the math works, then test yourself by spotting the correct graph.
Move the controls and watch the math change — build a picture in your head before you solve.
The big idea
Find two numbers that multiply to c and add to b.
Try the Quiz tab to test your visual intuition for this skill.
Step 3: Practice
Problem 1
Factor x² + 7x + 12
Tip: press 1–4 to pick an answer.
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