1.
What is the first step in solving the system of equations using the elimination method?
A.
Solve the first equation for
x
.
B.
Subtract the second equation from the first equation.
C.
Multiply the second equation by 2.
D.
Add the equations.
Hint
2.
Use the substitution method to solve
m
-
n
= 7 and 3
m
+ 2
n
= 6.
A.
(-3, -10)
B.
(4, -3)
C.
D.
(-5, 2)
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.
cannot be determined from information given
B.
y
>
x
C.
y
=
x
D.
y
<
x
Hint
5.
Solve the system of equations.
–2
x
+ 3
y
= 7
4
x
– 6
y
= 8.
A.
no solution
B.
y
= –22,
x
= 29.5
C.
y
= –22,
x
= –36.5
D.
y
= –22,
x
= –31
Hint