Thatkid44 Thatkid44
  • 12-01-2017
  • Mathematics
contestada

which of the following correctly completes the square for the equation below x2+2x=19

A: (x+1)^2=23
B:(x+2)^2=20
C:(x+1)^2=20
D:(x+2)^2=23

Respuesta :

Аноним Аноним
  • 12-01-2017
answer is C:(x+1)^2=20

x2 + 2x = 19
x2 + 2x + 1 = 19 + 1
(x + 1)^2 = 20
Answer Link

Otras preguntas

sinθ=-2/5, tanθ>0    Find secθ
A toaster is plugged into a 120-volt household circuit. It draws 5 amps of current. a. What is the resistance of the toaster? b. What is the power of the toast
egypt became a unified kingdom early in its history because?
Write a real world problem where you would have to multiply 120 and 75.
How do you answer LM=1/2z+2 MN=3z+3/2 LN=5z+2 btw this is segment addition
Explain how you can use multiplication to find the perimeter of a square
Points A,B,C,D, and E are collinear and in that order. Find AC if AE = x+50 and CE = x+32.
i meant how do you write 600,000+80,000+10 in word form
A fire hose 5 centimeters in diameter is used to fill a 225-liter bucket. If it takes 15 seconds to fill the bucket, what is the speed at ...
Which explains the aim of U.S. foreign policy from 1900 until the outbreak of World War I?