lauraasmith121 lauraasmith121

13-08-2021
Mathematics

contestada

use the given values

use the given values class=

Respuesta :

sqdancefan sqdancefan

21-08-2021

9514 1404 393

Answer:

9
-16
23

Step-by-step explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

√(2a) -b = √(2·8) -(-5) = 4 +5 = 9

-3ac +2b = -3(8)(1/4) +2(-5) = -6 -10 = -16

b² -8c = (-5)² -8(1/4) = 25 -2 = 23

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