Answer:
u=11
Step-by-step explanation:
1. 36=47-9
36≠38
2. 36=47-11
36=36
3. 36=47-8
36≠39
4. 36=47-38
36≠9
Answer:
y = - x - 6
Step-by-step explanation:
y = mx + b
m = - 1
y = - x + b
(- 4, - 2)
- 2 = - (-4) + b
-2 = 4 + b
b = - 6
y = - x - 6
Answer:
x² +18x +81
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(x+9)² = x²+9²+2*x*9= x² +18x +81
The equation of the parabola is:

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The <em>equation </em>of a parabola of vertex (h,k) and focus (0,f) is given by:

- Vertex at the origin means that
. - Focus (0,6) means that

Thus, the equation of the parabola is:



A similar problem is given at brainly.com/question/15165354