1.
Which system of equations is graphed below?
A.
B.
C.
D.
Hint
2.
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
A.
one solution at (-6, 0)
B.
no solution
C.
one solution at
D.
infinitely many solutions
Hint
3.
Solve the system of equations given by
y
= 2
x
+ 2 and
.
A.
(4, -6)
B.
no solution
C.
infinitely many solutions
D.
(-3, -4)
Hint
4.
Solve the system of equations given by 5
x
– 2
y
= -6 and 15
x
– 6
y
= 6.
A.
no solution
B.
(1, 1)
C.
infinitely many solutions
D.
(-2, -2)
Hint
5.
A long distance phone company has a monthly fee of $7.95 and charges a rate of $0.05 per minute. Another long distance company has a monthly fee of $9.95 and charges a rate of $0.03 per minute. At how many minutes would the two companies have equal charges?
A.
50 minutes
B.
They will never have the same charges.
C.
100 minutes
D.
150 minutes
Hint