BlorPlease1934 BlorPlease1934
  • 22-01-2021
  • Mathematics
contestada

Find the zeros of the function.

Enter the solutions from least to greatest.

f(x) = 5x^2 - 20

lesser x =

greater x =

Respuesta :

joaobezerra joaobezerra
  • 25-01-2021

Answer:

lesser x = -2

greater x = 2

Step-by-step explanation:

The values of a function f(x) are the values of x for which f(x) = 0.

In this question:

[tex]f(x) = 5x^2 - 20[/tex]

So, finding the zeros:

[tex]5x^2 - 20 = 0[/tex]

[tex]5x^2 = 20[/tex]

[tex]x^2 = \frac{20}{5}[/tex]

[tex]x^2 = 4[/tex]

[tex]x = \pm \sqrt{4}[/tex]

[tex]x = \pm 2[/tex]

So

lesser x = -2

greater x = 2

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