Quadratic Simultaneous Equations
Question 1:
y
=
2
x
2
−
10
x
+
1
y
=
2
x
+
10
x
=
6.67
or
-0.674
y
=
23.34
or
8.652
Question 2:
y
=
2
x
2
−
11
x
−
4
y
=
3
x
−
1
x
=
7.21
or
-0.208
y
=
20.63
or
-1.624
Question 3:
y
=
3
x
2
+
7
x
+
6
y
=
x
+
10
x
=
0.528
or
-2.53
y
=
10.528
or
7.47
Question 4:
y
=
x
2
+
7
x
+
8
y
=
x
+
2
x
=
-1.27
or
-4.73
y
=
0.73
or
-2.73
Question 5:
y
=
2
x
2
+
12
x
+
9
y
=
3
x
+
3
x
=
-0.814
or
-3.69
y
=
0.558
or
-8.07
Question 6:
y
=
3
x
2
−
4
x
+
5
y
=
2
x
+
2
x
=
1
y
=
4