danieladelossantos70 danieladelossantos70

14-11-2019
Mathematics

contestada

Solve y=x2 +7 fоr x.
ОА. x = t /у +7
ОВ. x= y +7
Ос. x=y-7
OD. х = + y -7

Respuesta :

jimrgrant1 jimrgrant1

14-11-2019

Answer:

x = ± [tex]\sqrt{y-7}[/tex]

Step-by-step explanation:

Given

y = x² + 7 ( subtract 7 from both sides )

y - 7 = x² ( take the square root of both sides, thus

x = ± [tex]\sqrt{y-7}[/tex]

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