Which of the following are quadratic function? Justify your answer.
[tex]1. \: y = 5 {x}^{2} - 8[/tex]
[tex]2. \: f \: (x) = (x + 3) {}^{2} [/tex]
[tex]3.f(x) = (x - 2)(x + 5)[/tex]
[tex]4. \: y = - x { }^{2} [/tex]
[tex]5. \: f(x) = \frac{ {x}^{2} + 5 }{x} [/tex]
[tex]1. \: y = 5 {x}^{2} - 8[/tex]
[tex]2. \: f \: (x) = (x + 3) {}^{2} [/tex]
[tex]3.f(x) = (x - 2)(x + 5)[/tex]
[tex]4. \: y = - x { }^{2} [/tex]
[tex]5. \: f(x) = \frac{ {x}^{2} + 5 }{x} [/tex]
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
#CarryOnLearning
#Mark As Brainliest!✨