1.
Use the substitution method to solve
m
-
n
= 7 and 3
m
+ 2
n
= 6.
A.
(4, -3)
B.
C.
(-3, -10)
D.
(-5, 2)
Hint
2.
Use the elimination method to solve the system of equations.
A.
B.
C.
D.
Hint
3.
Solve the system of equations.
A.
B.
C.
D.
Hint
4.
Which is true for the following system of equations?
3
x
-
y
= 1
x
+ 2
y
= 7.
A.
y
=
x
B.
cannot be determined from information given
C.
y
<
x
D.
y
>
x
Hint
5.
Solve the system of equations.
–2
x
+ 3
y
= 7
4
x
– 6
y
= 8.
A.
y
= –22,
x
= –36.5
B.
no solution
C.
y
= –22,
x
= –31
D.
y
= –22,
x
= 29.5
Hint