bellatop2
bellatop2
08-11-2015
Mathematics
contestada
find the roots of the equation: y=4(X+4)^2 -12
Respuesta :
Hokuma
Hokuma
08-11-2015
0=4(x²+8x+16)-12
0=4x²+32x+64-12
0=4x²+32x+52
0=x²+8x+13
D=b²-4ac
D=64-52=12
x=(-b-√D)/2a
x=(-b+√D)/2a
x=(-8-2√3)/2= (-2(4+√3))/2= -(4+√3)
AND
x=(-8+2√3)/2=-2(4-√3)/2= -(4-√3)
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
The distance from Boston to LA is 5 million. If Michael rides his bicycle across the country from Boston to LA at a speed of 15 feets per second, how long will
Find the perimeter and area of this rectangle 12 in by 6.5 in
What is a 9 letter adjective that means for a very short time
How many 7/10 strips can be cut from 4.1 meters
An important element of an autobiography is self-evaluation or introspection. Which sentences in this excerpt from the Autobiography of Benjamin Franklin show t
What did the founders mean when they wrote "to form a more perfect Union"? A military would be formed to protect against foreign threats A court system woul
Which of the following is not a characteristic of fungi? They are eukaryotic, parasites, and saprophytes. Their cell walls consist mainly of cellulose. Their b
What Is the Difference Between a Civic Duty and a Civic Responsibility? (What is the difference between a civic duty and a civic responsibility? Answer this qu
what type of revolutionary group was leading the challenge to democracy in greece?
Find the slope of the line passing through the points , −8−3 and , −34 .
