Solve the equation $x^2+y^2+9=0$

Step-by-step Solution

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Final answer to the problem

$y=\sqrt{-x^2-9},\:y=-\sqrt{-x^2-9}$
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Step-by-step Solution

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  • Solve for x
  • Solve for y
  • Find the derivative
  • Solve by implicit differentiation
  • Solve for y'
  • Find dy/dx
  • Derivative
  • Find the derivative using the definition
  • Solve by quadratic formula (general formula)
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1

We need to isolate the dependent variable $y$, we can do that by simultaneously subtracting $x^2+9$ from both sides of the equation

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$y^2=-\left(x^2+9\right)$

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Learn how to solve problems step by step online. Solve the equation x^2+y^2+9=0. We need to isolate the dependent variable y, we can do that by simultaneously subtracting x^2+9 from both sides of the equation. Simplify the product -(x^2+9). Removing the variable's exponent. Cancel exponents 2 and 1.

Final answer to the problem

$y=\sqrt{-x^2-9},\:y=-\sqrt{-x^2-9}$

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Function Plot

Plotting: $x^2+y^2+9$

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Go!
1
2
3
4
5
6
7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

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