Your Answer
A. (-4, 4)
Question Number 16
Points: 0.00/5.00
Question Text
Which of the following is the correct solution to
x
≥ 2?
y
< 5
Your Answer
D.
Question Number 17
Points: 5.00/5.00
Question Text
What is the approximate solution of the following system of equations?
Your Answer
A. (4, -1)
Question Number 18
Points: 5.00/5.00
Question Text
Use a graphing calculator or spreadsheet software to solve –
x
+
y
+ 2
z
= 2
2
x
–
y
+
z
= 5
-4
x
–
y
+ 3
z
= 3

using matrices.
Your Answer
C. (1, -1, 2)
Question Number 19
Points: 5.00/5.00
Question Text
What is the approximate solution of the following system of equations?
Your Answer
C. (0, 1)
Question Number 20
Points: 5.00/5.00
Question Text
Solve the following system of equations using matrices.
5
x
+ 3
y
= 46
2
x
+ 5
y
= 7
Your Answer
D. (11, -3)
Question Number 21
Points: 5.00/5.00
Question Text
Solve the following system of equations by using the substitution method.
3
y
– 2
x
= 11
y
+ 2
x
= 9
Your Answer
A. (2, 5)
Question Number 22
Points: 0.00/5.00
Question Text
Solve the following system of equations by using the substitution method.
y
=
x
+ 3
y
= 2
x
– 4
Your Answer
A. (-7, -1)

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- Fall '14
- Systems Of Equations, Equations, Matrices, Inequalities, Integers, question number