1.
Use elimination to solve the system given below.
5
x
- 2
y
= 25
5
x
+ 3
y
= 5
A.
(3, -5)
B.
(4, -5)
C.
D.
(13, 20)
Hint
2.
Use elimination to solve the system of equations given by –7
x
+ 3
y
= 14 and 7
x
– 2
y
= -11.
A.
infinitely many solutions
B.
C.
D.
no solution
Hint
3.
Use elimination to solve the system of equations given by 10
x
– 40
y
= 60 and 15
x
+ 40
y
= -10.
A.
no solution
B.
infinitely many solutions
C.
(2, -1)
D.
(-14, -5)
Hint
4.
Use elimination to solve the system of equations given by 7
x
+ 23
y
= 12 and 3
x
+ 23
y
= -8.
A.
no solution
B.
C.
(5, -1)
D.
infinitely many solutions
Hint
5.
Use elimination to solve the system of equations given by 3
x
– 2
y
= 12 and 3
x
+ 5
y
= 33.
A.
infinitely many solutions
B.
no solution
C.
(14, 15)
D.
(6, 3)
Hint