Quadratic Simultaneous Equations
Question 1:
y
=
x
2
+
2
x
−
5
y
=
3
x
+
10
x
=
4.41
or
-3.41
y
=
23.23
or
-0.23
Question 2:
y
=
3
x
2
−
2
x
−
4
y
=
2
x
+
1
x
=
2.12
or
-0.786
y
=
5.24
or
-0.572
Question 3:
y
=
x
2
−
10
x
+
1
y
=
3
x
−
2
x
=
12.8
or
0.235
y
=
36.4
or
-1.295
Question 4:
y
=
x
2
+
12
x
−
1
y
=
3
x
+
7
x
=
0.815
or
-9.82
y
=
9.445
or
-22.46
Question 5:
y
=
2
x
2
−
2
x
+
2
y
=
3
x
+
5
x
=
3
or
-0.5
y
=
14
or
3.5
Question 6:
y
=
x
2
+
10
x
−
9
y
=
3
x
−
1
x
=
1
or
-8
y
=
2
or
-25
