Quadratic Simultaneous Equations
Question 1:
y
=
2
x
2
−
2
x
+
2
y
=
2
x
+
8
x
=
3
or
-1
y
=
14
or
6
Question 2:
y
=
x
2
+
8
x
−
5
y
=
2
x
−
2
x
=
0.464
or
-6.46
y
=
-1.072
or
-14.92
Question 3:
y
=
2
x
2
+
15
x
−
7
y
=
x
−
9
x
=
-0.146
or
-6.85
y
=
-9.146
or
-15.85
Question 4:
y
=
x
2
+
11
x
−
1
y
=
2
x
+
3
x
=
0.424
or
-9.42
y
=
3.848
or
-15.84
Question 5:
y
=
3
x
2
−
4
x
−
2
y
=
2
x
−
3
x
=
1.82
or
0.184
y
=
0.64
or
-2.632
Question 6:
y
=
2
x
2
+
9
x
+
2
y
=
x
+
9
x
=
0.739
or
-4.74
y
=
9.739
or
4.26