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 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

Otras preguntas

19. find the value of z. PLEASEEEEE HELLPPPPPPP
21. Fill the blanks with the correct present tense form of ser or estar. ¿Qué hora_______?. (1 point)
Describe the functions of 2 of the main structures of the female reproductive system It’s a 10 marker
A season ticket to the olde theater costs $76 and admits you to 6 plays. single tickets to each play cost $15. how much do you save on each play by buying a sea
Please help me with this please today. Because I go back to school tomorrow so PLEASE, PLEASE, help me today.​
Apply distributive property to produce an equivalent expression for 6(7 e + 3)
similarities between the jaw of a carnivore and that of a herbivore
Answer to 9a is 11.3km
A ∠A and ∠ B ∠B are complementary angles. If m ∠ A = ( 5 x − 27 ) ∘ ∠A=(5x−27) ∘ and m ∠ B = ( 4 x − 27 ) ∘ ∠B=(4x−27) ∘ , then find the measure of ∠ A ∠
8. ¿Qué se pone la muchacha en las piernas? (2 points) A- la barba B- el rimel C- La crema de afeitar D- el desodorante