Solve the equation $y=-x^2+2x+1$

Step-by-step Solution

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Final answer to the problem

$y=-\left(x-1\right)^2+2$
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Step-by-step Solution

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1

Use the complete the square method to factor the trinomial of the form $ax^2+bx+c$. Take common factor $a$ ($-1$) to all terms

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$y=-\left(x^2-2x-1\right)$

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Learn how to solve problems step by step online. Solve the equation y=-x^2+2x+1. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (-1) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-2x+1. Subtract the values -1 and -1.

Final answer to the problem

$y=-\left(x-1\right)^2+2$

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Function Plot

Plotting: $y+x^2-2x-1$

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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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