True or False? Explain. The following systems are referenced in statements 1–7: (a) x + y − z = 2 − x − y + z = 4 x − 2 y + 3 z = 9 (b) x + y − z = 6 x + y + z = 4 x − y − z = 8 (c) x − y + z = 1 − x + y − z = − 1 2 x − 2 y + 2 z = 2 System (c) is dependent.
True or False? Explain. The following systems are referenced in statements 1–7: (a) x + y − z = 2 − x − y + z = 4 x − 2 y + 3 z = 9 (b) x + y − z = 6 x + y + z = 4 x − y − z = 8 (c) x − y + z = 1 − x + y − z = − 1 2 x − 2 y + 2 z = 2 System (c) is dependent.
Solution Summary: The author explains that a consistent system with infinitely many solutions is dependent. Since -x+y-z=-1 and 2x-2
The following systems are referenced in statements 1–7:
(a)
x
+
y
−
z
=
2
−
x
−
y
+
z
=
4
x
−
2
y
+
3
z
=
9
(b)
x
+
y
−
z
=
6
x
+
y
+
z
=
4
x
−
y
−
z
=
8
(c)
x
−
y
+
z
=
1
−
x
+
y
−
z
=
−
1
2
x
−
2
y
+
2
z
=
2
A research study in the year 2009 found that there were 2760 coyotes
in a given region. The coyote population declined at a rate of 5.8%
each year.
How many fewer coyotes were there in 2024 than in 2015?
Explain in at least one sentence how you solved the problem. Show
your work. Round your answer to the nearest whole number.
Answer the following questions related to the following matrix
A =
3
³).
Explain the following terms
Chapter 5 Solutions
College Algebra, Books a la Carte Edition, plus NEW MyLab Math- Access Card Package (6th Edition)
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