esepachecoskate7782 esepachecoskate7782

09-11-2021
Mathematics

contestada

33. The quadratic equation x² - 4x - 12 = 0 has w and z as

solutions, where w > z. What is the value of 3w + 2z?

A. -6

B. 1

C. 6

D. 14

E. 18

Respuesta :

sanehadevi4 sanehadevi4

09-11-2021

Factor

what 2 numbers multily to get -12and add to get -4

-6and -2

(x-6)(x+2)=0

ser to zero

x-6=0

x=6

x+2=0

x=-2

6>-2

w=6

-2=z

3w+2z

3(6)+2(-2)

18-4

14

value is 14

option D

Answer Link

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