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Math Problems
Precalculus
Solve a quadratic equation by completing the square
Solve by completing the square.
\newline
x
2
−
28
x
=
−
11
x^2 - 28x = -11
x
2
−
28
x
=
−
11
\newline
Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
\newline
x
=
x =
x
=
_____ or
x
=
x =
x
=
_____
Get tutor help
Solve by completing the square.
\newline
k
2
−
2
k
=
15
k^2 - 2k = 15
k
2
−
2
k
=
15
\newline
Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
\newline
k
=
k =
k
=
_____ or
k
=
k =
k
=
_____
Get tutor help
Solve by completing the square.
\newline
k
2
−
4
k
=
5
k^2 - 4k = 5
k
2
−
4
k
=
5
\newline
Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
\newline
k
=
k =
k
=
_____ or
k
=
k =
k
=
_____
Get tutor help
Solve by completing the square.
\newline
k
2
−
14
k
−
5
=
0
k^2 - 14k - 5 = 0
k
2
−
14
k
−
5
=
0
\newline
Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
\newline
k
=
k =
k
=
_____ or
k
=
k =
k
=
_____
Get tutor help
