IslaMarie60961 IslaMarie60961

10-05-2018
Mathematics

contestada

Solve the quadratic equation. 8x2 + 16x + 8 = 0 A) 1 B) -1 C) 1 and 8 D) 1 and -1

Respuesta :

12-05-2018

[tex]8x^2+16x+8=0\\\\8(x^2+2x+1)=0\ \ \ |:8\\\\x^2+2x+1=0\\\\x^2+x+x+1=0\\\\x(x+1)+1(x+1)=0\\\\(x+1)(x+1)=0\\\\(x+1)^2=0\iff x+1=0\\\\\boxed{x=-1}[/tex]
Answer: B. -1

Answer Link

Otras preguntas

In 1914, the Philippines was under the control of which country? Great Britain France Spain United States

What are some con's for the 9th amendment

Which Spanish colony gained its independence, in part, due to the efforts and sacrifice of a village priest named Father Hidalgo? A. Venezuela B. Argentina C. P

The early civilization with the least developed technology was (A) Mesoamerican. (B) Harappan. (C) Egyptian. (D) Sumerian. (E) Shang.

The largest time unit in the geologic time scale is the A. period. B. eon. C. era. D. epoch.

Why did Spain send an armada to invade England?

You use 3 cans of soup to serve 5 people. If you want to serve 20 people, what should you do? A) use 15 more cans of soup B) use 4 times many cans of soup C) us

Which was an effect of industrialization in Latin American nations during the postwar years? the rise of caudillos rising urban unemployment more emphasis on fa

The 15th Amendment to the U.S. Constitution, ratified in 1870, deals with what issue? voting declaring war free speech prohibition of alcohol

Which statement about Charlemagne is not true? A. He was a king of the Franks who helped spread Christianity throughout Europe. B. He was crowned emperor of the