Solve the rational equation $y=\frac{1}{4x^2-3x+9}$

Step-by-step Solution

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Final answer to the problem

$y=\frac{1}{4\left(\left(x-\frac{3}{8}\right)^2+\frac{9}{4}-\frac{9}{64}\right)}$
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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 $a$ ($4$) to all terms

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$y=\frac{1}{4\left(x^2-\frac{3}{4}x+\frac{9}{4}\right)}$

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Learn how to solve completing the square problems step by step online. Solve the rational equation y=1/(4x^2-3x+9). Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (4) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-\frac{3}{4}x+\frac{9}{64}. Multiply the fraction and term in - \frac{3}{8}.

Final answer to the problem

$y=\frac{1}{4\left(\left(x-\frac{3}{8}\right)^2+\frac{9}{4}-\frac{9}{64}\right)}$

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Function Plot

Plotting: $y+\frac{-1}{4x^2-3x+9}$

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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

How to improve your answer:

Main Topic: Completing the Square

In elementary algebra, completing the square is a technique for converting a quadratic polynomial of the form ax^2+bx+c to the form a(x+h)^2+k.

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