tblackwood65 tblackwood65
  • 25-04-2017
  • Mathematics
contestada

Is r = -1 a solution to the equation 6(r – 4) = 30r

Relax

Respuesta :

Аноним Аноним
  • 25-04-2017
6(-1 - 4) = 30(-1)
6(-5) = -30
-30 = -30
so -1 is a solution
Answer Link
mohabbasem
mohabbasem mohabbasem
  • 25-04-2017
You can try to insert r=-1: 

6(-1-4) = 30*-1
-6-24=-30
-30=-30

So, yes r = -1 is a solution to the equation. 
Answer Link

Otras preguntas

Who can help me out with this question please
write 2 sentences about a community helper.​
The Cold War led the United States to intervene in which nation to prevent the spread of communism in Asia
If m BC = 20°, then m AC = A. 10 B. 20 C. 40
The graph represents the complex numbers z1 and z2 . What are their conjugates? What is the quotient of z1 ÷ z2?​
PLEASE HELP 10 POINTS
The Jones family lives on the western side of the Sierra Nevada Mountains, and they experience a wet climate much of the year. The Greer family lives on the eas
Which weighs more a pound of feathers or a pound of bricks
which describes the process of cytokines?
explain and how to evaluate x-y for x=4 and y=1