1.
Solve the system of equations by graphing.
A.
(2, -6)
B.
(6, 2)
C.
(2, 6)
D.
(-6, 2)
Hint
2.
Solve the system of equations by graphing.
A.
no solution
B.
(0, 3)
C.
infinitely many solutions
D.
(-1, 7)
Hint
3.
What is true about the system
and
A.
The system is consistent and independent.
B.
The system is inconsistent.
C.
The system is consistent and dependent.
D.
The system has infinitely many solutions.
Hint
4.
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard?
A.
500 square yards
B.
278 square yards
C.
192 square yards
D.
50 square yards
Hint
5.
Which of the following systems of equations is inconsistent?
A.
y
= 2
x
– 3
y
= –3
x
+ 4
B.
3
y
+ 2
x
= 13 6
y
+ 4
x
= 3
C.
y
= 7
x
– 2
y
= –2
x
– 5
D.
4
y
–
x
= 12 3
y
– 2
x
= 1
Hint