sbjesus7 sbjesus7

19-03-2020
Mathematics

contestada

5x^2 + 3 = 83
smaller
larger

Respuesta :

sqdancefan sqdancefan

20-03-2020

Answer:

smaller: -4
larger: 4

Step-by-step explanation:

5x^2 +3 = 83 . . . . given

5x^2 = 80 . . . . . . .subtract 3

x^2 = 16 . . . . . . . . .divide by 5

x = ±√16 = ±4 . . . take the square root

The smaller value of x is -4; the larger value, +4.

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