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Let’s check out your problem:
Solve for
y
y
y
.
\newline
−
1
+
2
y
=
y
\sqrt{\,-1 + 2y} = \sqrt{y}
−
1
+
2
y
=
y
\newline
y
=
_
_
_
_
_
y = \,\_\_\_\_\_
y
=
_____
View step-by-step help
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Math Problems
Precalculus
Solve radical equations
Full solution
Q.
Solve for
y
y
y
.
\newline
−
1
+
2
y
=
y
\sqrt{\,-1 + 2y} = \sqrt{y}
−
1
+
2
y
=
y
\newline
y
=
_
_
_
_
_
y = \,\_\_\_\_\_
y
=
_____
Square Both Sides:
−
1
+
2
y
=
y
\sqrt{-1 + 2y} = \sqrt{y}
−
1
+
2
y
=
y
\newline
Square both sides of the equation to eliminate the square roots.
\newline
(
−
1
+
2
y
)
2
=
(
y
)
2
(\sqrt{-1 + 2y})^2 = (\sqrt{y})^2
(
−
1
+
2
y
)
2
=
(
y
)
2
\newline
−
1
+
2
y
=
y
-1 + 2y = y
−
1
+
2
y
=
y
Isolate Variable:
We found
−
1
+
2
y
=
y
-1 + 2y = y
−
1
+
2
y
=
y
Isolate the variable on one side of the equation to solve for
y
y
y
.
Subtract
y
y
y
from both sides.
−
1
+
2
y
−
y
=
y
−
y
-1 + 2y - y = y - y
−
1
+
2
y
−
y
=
y
−
y
−
1
+
y
=
0
-1 + y = 0
−
1
+
y
=
0
Isolate y:
We found
−
1
+
y
=
0
-1 + y = 0
−
1
+
y
=
0
\newline
Isolate y by adding
1
1
1
to both sides of the equation.
\newline
−
1
+
y
+
1
=
0
+
1
-1 + y + 1 = 0 + 1
−
1
+
y
+
1
=
0
+
1
\newline
y =
1
1
1
More problems from Solve radical equations
Question
What is the domain of this function?
\newline
y
=
x
y = \sqrt{x}
y
=
x
\newline
Choices:
\newline
{
x
∣
x
≥
0
}
\{x|x \geq 0\}
{
x
∣
x
≥
0
}
\newline
{
x
∣
x
≤
0
}
\{x|x \leq 0\}
{
x
∣
x
≤
0
}
\newline
{
x
∣
x
<
0
}
\{x | x < 0\}
{
x
∣
x
<
0
}
\newline
{
x
∣
x
>
0
}
\{x|x>0\}
{
x
∣
x
>
0
}
Get tutor help
Posted 1 year ago
Question
Find the real-number root.
\newline
16
\sqrt{16}
16
\newline
\newline
Write your answer in simplified form.
\newline
_
_
_
_
\_\_\_\_
____
Get tutor help
Posted 1 year ago
Question
Find the real-number root.
\newline
9
16
\sqrt{\frac{9}{16}}
16
9
\newline
Simplify your answer and write it as a decimal or as a proper or improper fraction.
\newline
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Posted 1 year ago
Question
Find the real-number root using a calculator. Round your answer to the nearest thousandth.
\newline
`\sqrt{957} `
\newline
_______
Get tutor help
Posted 1 year ago
Question
Multiply. Write your answer in simplest form.
\newline
273
×
42
\sqrt{273} \times \sqrt{42}
273
×
42
\newline
______
Get tutor help
Posted 1 year ago
Question
Simplify.
\newline
63
4
\sqrt{\frac{63}{4}}
4
63
\newline
______
Get tutor help
Posted 1 year ago
Question
Simplify. Rationalize the denominator.
\newline
−
4
9
−
2
\frac{-4}{9 - \sqrt{2}}
9
−
2
−
4
\newline
______
Get tutor help
Posted 1 year ago
Question
Solve for
z
z
z
.
\newline
16
=
z
16 = \sqrt{z}
16
=
z
\newline
z
=
z =
z
=
_____
Get tutor help
Posted 1 year ago
Question
Solve for
p
p
p
.
\newline
8
=
p
8 = \sqrt{p}
8
=
p
\newline
p
=
p =
p
=
_____
Get tutor help
Posted 1 year ago
Question
Solve for
p
p
p
.
\newline
4
p
=
10
+
3
p
\sqrt{4p} = \sqrt{10 + 3p}
4
p
=
10
+
3
p
\newline
p
=
p =
p
=
_____
Get tutor help
Posted 9 months ago
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