sloamitlopez
sloamitlopez
26-04-2017
Mathematics
contestada
identify the roots f(x)=3x^2-27
Respuesta :
apologiabiology
apologiabiology
26-04-2017
factour ouf 3
f(x)=3(x²-9)
recognize diference of 2 perfect squres
a²-b²=(a+b)(a-b)
x²-9=x²-3²=(x+3)(x-3)
so
f(x)=3(x+3)(x-3)
seto to zero to find roots
0=3(x+3)(x-3)
0=x+3
-3=x
0=x-3
3=x
roots at x=-3 and 3
Answer Link
VER TODAS LAS RESPUESTAS ( 26+ )
Otras preguntas
If RX = SX, then X must be the midpoint of RS. a. True b. False
What influenced the idea and growth of colonization in England? 1.the arguments of Richard Hakluyt 2.a growing concern of war with France 3.the discoveries of J
can em waves travel through a perfect vacuum?
What was the main focus of production during world war 2
According to your text, a family in which the mother and father share decision making is called a/an a. extended nuclear family. b. equalitarian family. c. n
The Declaration of Independence and other of the country’s founding documents proclaim __________ and __________ under the law. allegiance; impartiality opport
at a candy store, erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. meanwhile, irene bought 3 kilograms of cinnamon red ho
Tenement apartments at the turn of the twentieth century were... A.) spacious but crowded living spaces. B.) small and dangerous living spaces. C.) crowded but
What does propaganda mean?
How can we know or measure if a person is trustworthy?
