a. If a is a positive real number, then the inequality | x | < a is equivalent to ___________ ? < x < ?___________. b. If a is a positive real number, then the inequality | x | > a is equivalent to x < _______________ ? or x ____________ a . c. The solution set to the in quality | x + 2 | < − 6 is __________, whereas the solution set to the inequality | x + 2 | > − 6 is ____________. d. The solution set to the inequality | x + 4 | ≤ 0 (includes/excludes) −-4, whereas the solution set to the inequality | x + 4 | < 0 (includes/excludes) −-4.
a. If a is a positive real number, then the inequality | x | < a is equivalent to ___________ ? < x < ?___________. b. If a is a positive real number, then the inequality | x | > a is equivalent to x < _______________ ? or x ____________ a . c. The solution set to the in quality | x + 2 | < − 6 is __________, whereas the solution set to the inequality | x + 2 | > − 6 is ____________. d. The solution set to the inequality | x + 4 | ≤ 0 (includes/excludes) −-4, whereas the solution set to the inequality | x + 4 | < 0 (includes/excludes) −-4.
Solution Summary: The author illustrates how the inequality of form left|xright|a is equivalent to __
a. If a is a positive real number, then the inequality
|
x
|
<
a
is equivalent to ___________ ?
<
x
<
?___________.
b. If a is a positive real number, then the inequality
|
x
|
>
a
is equivalent to
x
<
_______________ ? or x ____________ a.
c. The solution set to the in quality
|
x
+
2
|
<
−
6
is __________, whereas the solution set to the inequality
|
x
+
2
|
>
−
6
is ____________.
d. The solution set to the inequality
|
x
+
4
|
≤
0
(includes/excludes) −-4, whereas the solution set to the inequality
|
x
+
4
|
<
0
(includes/excludes) −-4.
1. For the following subsets of R3, explain whether or not they are a subspace of R³.
(a)
(b)
1.1
0.65
U
= span
-3.4
0.23
0.4
-0.44
0
(})}
a
V
{(2) | ER
(c) Z= the points in the z-axis
Solve the following equation forx.
leave
answer in
Simplified radical form.
5x²-4x-3=6
MATCHING LIST
Question 6
Listen
Use the given equations and their discriminants to match them to the type and
number of solutions.
00
ed
two irrational solutions
a. x²+10x-2=-24
two rational solutions
b. 8x²+11x-3=7
one rational solution
c. 3x²+2x+7=2
two non-real solutions
d. x²+12x+45 = 9
DELL
FLOWER
CHILD
10/20
All Changes S
$681 22991
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