kamross529 kamross529

18-08-2020
Mathematics

contestada

Which of the following equations has only one solution?
x2 + 4x + 4 = 0
x2 + x = 0
ox²-1=0

Respuesta :

18-08-2020

Answer:

x² + 4x + 4 = 0

Step-by-step explanation:

x² + 4x + 4 = 0

( x + 2 )² = 0

x + 2 = 0

x = -2

x² + x = 0

x ( x + 1 ) = 0

x = 0 or x = -1

x² - 1 = 0

x² = 1

x = 1 or x = -1

Answer Link

Otras preguntas

A nurse consults a drug manual before giving a medication to an 80-year-old patient. The manual states that older-adult patients are at increased risk for hepat

Read the excerpt from Up from Slavery by Booker T. Washington. I believe that in time, through the operation of intelligence and friendly race relations, all c

a. Is recycling mandatory or voluntary in your community? b. Are there public recycling bins in your community? c. What materials does your community recycle? d

What proposed changes were made to boost the chinese economy that caused mao to launch the oppressive cultural revolution? choose three answers.

The net of a solid figure is shown below:(Four squares are shown side by side in a row. The second square has a square above it and a square below it. All the s

why university should offer you a place?

When conducting an immediate charge on 2023 ariya, what is the first step if the timer is set?.

Which function represents the sequence -5.5, -4.75, -4, -3.25, ...? A. f(n) = -6.25 +0.75n B. f(n) = -5.5 +0.75n C. f(n) = -5.5-0.75(n-1) D. f(n) = -0.75 +5.5(n

If f(x) = 4x^3 + Ax^2 + 7x - 1 and f(2) = 3, what is the value of A? (^ = powers)

Discuss what characteristics police officers should have to be able to fulfill their different roles