guest0905 guest0905

15-09-2020
Mathematics

contestada

please help me solve these questions. at least 2. (i)

please help me solve these questions at least 2 i class=

Respuesta :

ChoiSungHyun ChoiSungHyun

15-09-2020

Step-by-step explanation:

x^2 + 4x + 8 = (x^2 + 4x + 4) + 4 = (x + 2)^2 + 4.

When x^2 + 4x + 8 > 5, this means (x + 2)^2 + 4 > 5.

So (x + 2)^2 > 1.

=> (x + 2) > 1 or (x + 2) < -1.

=> x > -1 or x < -3.

Answer Link

Otras preguntas

Which of dictionary requires the most frequent updating? A. A Dictionary of Modern English Usage B. A Dictionary of American-English Usage C. American Dialec

Why are most fertilizers rich in nitrogen and phosphorous?

Which word in the sentence, if any, should be followed by a comma? My first pet was Zoe a golden retriever. A. pet B. There is no error in comma usage. C. was D

I am a 2 dimensional shape that has four sides. I have four 90 degree angles. I have two sets of parallel lines. I also have two sides that are one length, and

As passed by the Congress after McKinley delivered his war message to Congress, the declaration of war against Spain was modified by the Teller Amendment, which

complete the pattern 444, 4440

how many seconds are in 10 hours

A survey indicated that 3 out of 5 doctors use brand x aspirin. If 2000 doctors were surveyed how many used brand x? show work please!

Which statement is true according to Dalton’s theory? a. Atoms of different elements can join to form larger atoms. b. Atoms can be subdivided into smaller part

what does dos mean? It's worth 10 points.