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Math Problems
Grade 8
Find what percent one number is of another: word problems
We want to solve the following system of equations.
\newline
{
y
=
4
x
(
x
−
2
)
x
+
y
=
2
\left\{\begin{array}{l} y=4 x(x-2) \\ x+y=2 \end{array}\right.
{
y
=
4
x
(
x
−
2
)
x
+
y
=
2
\newline
One of the solutions to this system is
(
2
,
0
)
(2,0)
(
2
,
0
)
.
\newline
Find the other solution.
\newline
Your answer must be exact.
Get tutor help
We want to solve the following system of equations.
\newline
{
x
2
+
y
2
=
1
y
=
2
x
+
2
\left\{\begin{array}{l} x^{2}+y^{2}=1 \\ y=2 x+2 \end{array}\right.
{
x
2
+
y
2
=
1
y
=
2
x
+
2
\newline
One of the solutions to this system is
(
−
1
,
0
)
(-1,0)
(
−
1
,
0
)
.
\newline
Find the other solution. Your answer must be exact.
Get tutor help
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