WorksheetsSimultaneous Equations: 2 & 3 variables
Total questions: 6
Worksheet time: 11mins
Name
Class
Date
1.
Solve the following systems
x+y+z=2
3x+2y−2z=8
2x−3y−4z=0
a)
x=1920, y=1932, z=−1914
b)
x=−1914, y=1932, z=1920
c)
x=1932, y=1920, z=−1914
2.
Solve the following systems:
s−2t−1=0
21s+t−23=0
hint: rearrange
a)
x=2, y=21
b)
x=21, y=2
c)
s=2, t=21
d)
s=21, t=2
3.
Solve the following system:
52x−51y−1=0
5x+2y−8=0
a)
x=2, y=−1
b)
x=−1, y=2
c)
y=2, z=−1
4.
Solve the simultaneous equations
5x−3y+2z=13
2x+4y−3z=−9
4x−2y+5z=13
a)
x=1, y=−2, z=1
b)
x=1, y=1, z=−2
c)
x=−2, y=1, z=1
d)
No answer
5.
Can I use calculator to solve these simultaneous equations?
x−y=−3
x2+xy−y2=−5
a)
Yes
b)
No
c)
I don't know
6.
Solve these simultaneous equations:
−10z+2=−2x−4y
9y+3x−21z=0
−12z+5y+x−1=0
a)
x=1, y=3, z=−2
b)
x=−2, y=3, z=1
c)
x=3, y=1, z=−2
d)
x=−2, y=3
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