avanel0493 avanel0493

23-04-2021
Mathematics

contestada

What is the value of the larger zero of the function defined by x²+4x-252?
A. 9
B. 12
C. 14
D. 21

Respuesta :

manteadelaide510 manteadelaide510

03-09-2021

Answer:

C

Step-by-step explanation:

The equation will become

[tex] {x}^{2} + 4x - 252 = 0[/tex]

If I substitute 14 into the position of x

[tex] {14}^{2} + 4(14) - 252 = 0[/tex]

[tex] {14}^{2} + 4(14) = 252 \\ 196 + 56 = 252[/tex]

I get 252 exactly

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