1.
What is the first step in solving the system of equations using the elimination method?
A.
Add the equations.
B.
Solve the first equation for
x
.
C.
Multiply the second equation by 2.
D.
Subtract the second equation from the first equation.
Hint
2.
Use the elimination method to 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.
1985
C.
1995
D.
1990
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
3
x
– 5
y
= 4
–2
x
+ 4
y
= 3.
A.
B.
C.
D.
Hint