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 ( 54+ )
Otras preguntas
what is the steepest slope? and what is its slope?
An antalope can run at a speed of 61 miles per hour what is the speed in yards per sec round to the nearest hundred
What are three facts about Queen Isabella.
Proportional Not Proportional 18/72 and 4/16
Term limits had at least one positive effect on the state legislature. term limits have resulted in
Which of these is likely to influence temperature? a. latitude of the area. B. population of the area C. proximity to the ocean D. proximity to a mountain
A spring scale is MOST useful in measuring _____.
If −5e^x^2 y=x and y(−5)=0, find y′(−5) by implicit differentiation
Why were the residents of florida concerned about the united states annexing cuba?
Two squares have perimeters of 20 centimeters and 48 centimeters. How much longer is a side of the larger square than a side of the smaller square?
