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

The man responsible for devising the modern scientific classification system still in use today is ______ .a. Carolus Linnaeusb. Sir Harry Johnstonc. Albert E
In 2005, a large algal bloom composed of _____ caused a toxic condition known as the "red tide" which closed shellfish harvesting off of Newfoundland, Maine, an
Gravity and friction are two kinds ofa.inertiab.forcesc.massesd.gravity
Why was Franz Ferdinand assassinated?I have to draw a political cartoon depicting the assassination from the point of view of a Serbian nationalist or an Austri
What joints do we use when lifting weights?
what does spit mean in colonial times
Which of the following is an example of a simile? a. He had big feet. b. His feet were huge dolphins. c. His feet were like baby dolphins. d. His feet looked en
Kelp and other various types of seaweeds are examples of ________ .a. green algaeb. blue-green algaec. brown algaed. yellow algae
Many inherited disorders of humans appear in children of parents who do not have the disorder. How can you explain this?
The area of the banner is 144 square feet. The width of the banner is 1/4 the length of the banner. What are the dimensions of the banner?