1.
Use elimination to solve the system of equations given below.
x
+ 3
y
= 6
2
x
- 6
y
= 8
A.
B.
C.
D.
Hint
2.
Use elimination to solve the system of equations given below.
3
x
- 2
y
= 4
2
x
+
y
= -2
A.
B.
(0, -2)
C.
D.
Hint
3.
Use elimination to solve the system of equations given below.
3
x
+ 4
y
= -12
x
-
y
= 10
A.
(28, 18)
B.
(52, 42)
C.
(-4, -14)
D.
(4, -6)
Hint
4.
Use elimination to solve the system of equations given below.
5
x
+ 3
y
= 3
3
x
+ 4
y
= 15
A.
(3, -4)
B.
C.
(-3, 6)
D.
(5, 0)
Hint
5.
A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water.
A.
2.25 mph
B.
6.92 mph
C.
9.75 mph
D.
9.23 mph
Hint