Heal22222 Heal22222

17-12-2021
Mathematics

contestada

Evaluate 3x2 - 2xy + 4y2 for x = -1 and y = -2. .

Respuesta :

TalkingCactus TalkingCactus

17-12-2021

Answer:

The answer is 12

Step-by-step explanation:

3x² - 2xy + 4y²

Let x = -2

y = -1

3(-2)² - 2(-2)(-1) + 4(-1)²

= 3(4) - 2(2) + 4(1)

= 12 - 4 + 4

= 12

Answer Link

Otras preguntas

The monosaccharides important in nutrition are fructose, glucose, and _______________.

If y varies directly as x, and y = 15 as x = -3, find y for the x-value of 4.

Explain why the cane toad was a failure as a biological control method in Australia.

How were literature and authors connected to the transcendentalist movement?

The womenâs suffrage movement, the civil rights movement, and the tea party movement are examples of

On a recent trip, I took a cab from the airport to my hotel. These were the cab fares posted on the door of the cab: $2.20 for the first 1⁄2 mile and 30 cents f

Jayla has a USB stick that transfers data at 2.4 x 10^9 bytes per second. Her modem transfers data at 1.2 x 10^7 bytes per second. Which statement is true? A.Th

How did men like William Lloyd Garrison, Reverent Lovejoy, and Frederick Douglass participate in the abolitionist movement? I suck at history so can i get help?

Read the passage, then answer the question. “The damp leaves gave off a peppery scent as she scooped them into the wheelbarrow.” What type of language is domi

Which development in weaponry changed the world the most after world war ii?