Solving simultaneous linear equations

1
Solving simultaneous linear equations
2
Y
I
Y -½X - 2
Y x 1
The answer is where the 2 lines youve graphed
have crossed
X
The answer is (-2, -1)
3
Y
I
Y -2X 8
Y 3x - 7
The answer is where the 2 lines youve graphed
have crossed
X
The answer is (3, 2)
4
2x 1y 2
Y
I
-1x 2y -6
Rewrite each equation to say y
y -2x 2
y ½x - 3
The answer is where the 2 lines youve graphed
have crossed
X
The answer is (2, -2)
5
Y
I
1x 1y 6
1x 1y -2
Rewrite each equation to say y
y -1x 6
y -1x - 2
The answer is where the 2 lines youve graphed
have crossed
X
There is No solution
6
Y
I
y ¾x - 2
-3x 4y -8
Rewrite each equation to say y
y ¾x - 2
X
They are the exact same line, so there are
infinitely many solutions
7
Y
I
Y -½X - 2
Y x 1
The answer is where the ________youve graphed
have crossed
X
The answer is ( , )
8
Y
I
Y -2X 8
Y 3x - 7
The answer is where the ________youve graphed
have crossed
X
The answer is ( , )
9
2x 1y 2
Y
I
-1x 2y -6
Rewrite each equation to say y
y
y
The answer is where the 2 lines youve graphed
have crossed
X
The answer is ( , )
10
Y
I
1x 1y 6
1x 1y -2
Rewrite each equation to say y
y
y
The answer is where the 2 lines youve graphed
have crossed
X
There is ____________
11
Y
I
y ¾x - 2
-3x 4y -8
Rewrite each equation to say y
y
They are the __________ ________, so there are
__________ __________ __________
X