Quadratic Simultaneous Equations
Question 1:
y
=
x
2
−
14
x
−
4
y
=
3
x
+
4
x
=
17.5
or
-0.458
y
=
56.5
or
2.626
Question 2:
y
=
x
2
+
10
x
−
10
y
=
3
x
+
3
x
=
1.52
or
-8.52
y
=
7.56
or
-22.56
Question 3:
y
=
3
x
2
+
8
x
−
2
y
=
2
x
+
6
x
=
0.915
or
-2.91
y
=
7.83
or
0.18
Question 4:
y
=
3
x
2
−
11
x
−
6
y
=
x
+
4
x
=
4.71
or
-0.708
y
=
8.71
or
3.292
Question 5:
y
=
3
x
2
−
12
x
−
10
y
=
x
+
7
x
=
5.39
or
-1.05
y
=
12.39
or
5.95
Question 6:
y
=
x
2
−
8
x
−
6
y
=
2
x
−
5
x
=
10.1
or
-0.099
y
=
15.2
or
-5.198
