Answer:
Well we know that it's a linear because it has a exponent so what we do to answer this question
Step-by-step explanation:
------
- b+ v. b2 -4ac
x= ____________
2a
x2+ 12x +20 =0
a=1
b=12
c=20
_______
X= -12+v 12 2 -4 • 1 • 20
___________________
2•1
Answer:
Step-by-step explanation:
1.
c+9=±8
either c=8-9=-1
c=-8-9=-17
so c=-1,-17
D
2.
8x^2-3=2
8x^2=5
so A
3.
so D
or
Answer:2:8
Step-by-step explanation:
divide everything by 7