Phillyd80
Phillyd80
04-08-2017
Mathematics
contestada
Solve the equation by factoring. z^2-6z-27=0
Respuesta :
Banabanana
Banabanana
04-08-2017
z² -
6z - 27 = 0
z² + 3z - 9z - 27 = 0
z(z+3) - 9(z+3) = 0
(z+3)(z-9) = 0
z + 3 = 0 or z - 9 = 0
z = -3 z = 9
Answer: z=-3 and z=9
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
The person responsible for seeing that the scenery, platforms, and other elements are built, painted, and installed onstage is called a
Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. n | an 1 | 5 2 | −10 3 | 20
How many solutions does the equation −6a + 6a + 5 = 8 have?
Eliminate the parameter t to find a cartesian equation for x=t^2 y=2+10t
Which set of adjective pairs correctly describes the clusters into which dsm-5 personality disorders are grouped?
HELP if f(x)=-14x-2, then f^-1(x)=?
Use the substitution method to solve the system of equations. Choose the correct ordered pair. y = 3x - 4 x = 9 A. (9, 31) B. (1, -1) C. (0, -4) D
what is internal conflict?
The meaning of look before you leap. Think today and speak tomorrow. Is it similar meaning or contradictory
Which of these powers does the constitution deny the federal government
