Tussy/Gustafson, ElementaryAlgebra, 4/e
Chapter 4 Test Form C
If line 1 has slope 2 and y -intercept 3 and line 2 has slope 2 and y -intercept −3 , how
5.
many solutions does the system have?
a. one solution
b. infinitely many solutions
c. cannot determine from the information given
d. no solution
If line 1 has slope −3 and y -intercept 4 and line 2 has slope 3 and y -intercept 4, how
6.
many solutions does the system have?
a. one solution
b. infinitely many solutions
c. cannot determine from the information given
d. no solution
7.
Solve the following system by graphing and then give the y -coordinate of the solution.
R S
+
=
x
2
y
6
T
− =
x y
3
a. y = 4
b. y = −1
c. y = 1
d. y = −4
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