SW StudyWalks

College Algebra  /  Alg 325  ·  Atom · ~20 seconds

Reading the Vertex from Standard Form

Video not yet published
to the StudyWalks catalog
State

In standard form a(x − h)² + k, the vertex is (h, k): the inside names h sign-flipped, the outside names k.

Show

(x − 2)² − 1 has vertex (2, −1); (x + 3)² + 5 hides h = −3, vertex (−3, 5).

Watch for

The inside lies the way shifts lie.

Builds on

  • Nothing — this is a starting point.

Unlocks

  • Nothing yet depends on this.