1.
Use the elimination method to solve the system of equations.
A.
B.
C.
D.
Hint
2.
Solve the system of equations.
A.
B.
C.
D.
Hint
3.
The equations
y
= -0.38
x
+ 56.6 and
y
= 0.38
x
+ 43.4 represent the percent of men and women, respectively, receiving bachelor's degrees, where
x
is the number of years since 1968. In approximately what year did the same percent of men and women receive bachelor's degrees?
A.
1980
B.
1990
C.
1995
D.
1985
Hint
4.
Use elimination to solve the system of equations.
-
x
+ 2
y
= 18
x
+ 8
y
= -38
A.
(-22, -2)
B.
C.
(-5, -1)
D.
Hint
5.
Solve the system of equations.
–2
x
+ 3
y
= 7
4
x
– 6
y
= 8.
A.
y
= –22,
x
= –36.5
B.
y
= –22,
x
= –31
C.
y
= –22,
x
= 29.5
D.
no solution
Hint