Quadratic Simultaneous Equations
Question 1:
y
=
2
x
2
−
6
x
+
3
y
=
3
x
−
1
x
=
4
or
0.5
y
=
11
or
0.5
Question 2:
y
=
2
x
2
+
15
x
−
1
y
=
2
x
−
3
x
=
-0.158
or
-6.34
y
=
-3.316
or
-15.68
Question 3:
y
=
3
x
2
+
7
x
+
10
y
=
x
+
9
x
=
-0.184
or
-1.82
y
=
8.816
or
7.18
Question 4:
y
=
2
x
2
−
11
x
−
5
y
=
2
x
+
8
x
=
7.38
or
-0.881
y
=
22.76
or
6.238
Question 5:
y
=
3
x
2
−
10
x
−
3
y
=
2
x
−
1
x
=
4.16
or
-0.16
y
=
7.32
or
-1.32
Question 6:
y
=
3
x
2
+
12
x
+
1
y
=
2
x
−
3
x
=
-0.465
or
-2.87
y
=
-3.93
or
-8.74
