Lesson 323 of 1524
9.9 Writing Quadratics in Different Forms
A ball is thrown upward from the top of a 40 foot high building at a speed of 80 feet per second.
Practice this chapterDetermine if the vertex for the quadratic function is a maximum or minimum A ball is thrown upward from the top of a 40 foot high building at a speed of 80 feet per second.
Write the quadratic function f ( x ) = x 2 + 6 x + 13 in vertex form
ball — thrown upward from the top of a 40 foot high building at a speed of 80 feet per second.
Be able to identify the vertex of a quadratic function from an equation; write quadratics in vertex, factored, and standard forms; write quadratic functions in vertex form given a vertex and another point.
Worked example
What does “ball” mean in 9.9 Writing Quadratics in Different Forms?
- 1Use the wording this chapter gives for ball.
- 2The book says: thrown upward from the top of a 40 foot high building at a speed of 80 feet per second.
- 3Keep the answer tied to this term.
Result: thrown upward from the top of a 40 foot high building at a speed of 80 feet per second
Why. That is the meaning this chapter gives for ball.
Answer with the meaning this chapter gives. A nearby idea from the same book is a different term.
Practice margin
This chapter
A fresh set from this chapter only. Choose 10 or 20. Multiple choice and fill-in, with no repeat inside the set.