Completing The Square And The Vertex
Akopọ
Completing the square rewrites a quadratic so that its turning point is visible at a glance. From the rewritten form you can read off the maximum or minimum value and the line of symmetry without any further work.
In this lesson you will find the maximum or minimum value of a quadratic by completing the square, and use it to sketch the graph or find the range for a given domain.
Awọn Afojusun
- Find the maximum or minimum value of a quadratic function by completing the square or by differentiation.
- Use the maximum or minimum value to sketch the graph of the function or to determine its range for a given domain.
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Oriire fun ipari ẹkọ lori Completing The Square And The Vertex. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
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- Complete the square: x^2 - 4x + 1 = A. (x - 2)^2 - 3 B. (x - 2)^2 + 1 C. (x - 4)^2 - 3 D. (x + 2)^2 - 3 Answer: A
- The vertex of y = (x - 2)^2 - 3 is: A. (2, 3) B. (2, -3) C. (-2, -3) D. (-2, 3) Answer: B
- For y = (x - 2)^2 - 3, the minimum value is: A. 2 B. -2 C. -3 D. 3 Answer: C
- In a(x - h)^2 + k, the vertex is a maximum when: A. a > 0 B. a < 0 C. a = 0 D. k > 0 Answer: B
- The line of symmetry of y = (x - 2)^2 - 3 is: A. x = -2 B. x = 2 C. y = -3 D. x = 3 Answer: B
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Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
Quadratic Functions
Recognize characteristics of parabolas.
"College Algebra: Quadratic Functions" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/college-algebra/pages/5-1-quadratic-functions. Access for free at https://openstax.org/books/college-algebra/pages/1-introduction
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