Answer:
"12.5%?"
Step-by-step explanation:
before you use my answer use other peoples answers. I'm not good at som questions, sorry.
Answer:
The roots are real and unequal (3, -3)
Step-by-step explanation:
x²-9=0
ax²+bx+c=0
Comparing we get,
a= 1
b= 0
c = -9
Determinant: b²-4ac
= 0² - 4(1)(-9)
= 36>0
D > 0
Therefore, the equation has real and unequal roots.
Algebraic identity:
x² - a² = (x-a)(x+a)
Using this identity
x²-9 = (x+3)(x-3)
Roots are 3 and -3 which are real and not equal to each other
Hope this answer helps you ..
I believe the answer is True ! Hope this helps you
You only need to look at the y intercepts.
-11 - -7 is -4, but you can't have a negative distance so it's just 4
