Answer: 4 (assuming the number 4 at the end of the equation IS NOT under the radical
Step-by-step explanation:
Plug 21 in for x:
2squareroot (21-5) + 4
2squareroot 16 + 4
2(4) + 4= 12
It is in form
0=ax^2+bx+c
0=-3x^2-2x+6
a=-3
b=-2
c=6
so
x=
x=
x=
x=
x=
x=
x= or
Answer: x=2.4
Step-by-step explanation: I believe that you plug what y equals into the x value so both variable are x and you can solve for x
Answer:
Step-by-step explanation:
y=2x+1