No, because something extra is being added/divided and there are too many variables on one side
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Answer:
(a,b) is the mid-point of Line segment joining the points A(10,−6) and B(k,4)
So,
a=
2
10+k
and b=
2
−6+4
=−1
It is given that,
a−2b=18
Put b=−1
a−2(−1)=18
a=18−2=16
Now,
a=
2
10+k
16=
2
10+k
k+10=32
k=22
Step-by-step explanation:
it is good
<h3>
Answer: 0</h3>
The discriminant is the number under the square root of the quadratic formula
![x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}](https://tex.z-dn.net/?f=x%20%3D%20%5Cfrac%7B-b%5Cpm%5Csqrt%7Bb%5E2-4ac%7D%7D%7B2a%7D)
The discriminant formula is ![D = b^2-4ac](https://tex.z-dn.net/?f=D%20%3D%20b%5E2-4ac)
If D = 0, then the whole square root portion is 0 meaning we end up with the solution ![x = -\frac{b}{2a}](https://tex.z-dn.net/?f=x%20%3D%20-%5Cfrac%7Bb%7D%7B2a%7D)
Answer:
-67
Step-by-step explanation: