Graphical Analysis. In Exercises 31-36, complete parts (a)-(e) for the system of equations. (a) Use a graphing utility to graph the system. (b) Use the graph to determine whether the system is consistent or inconsistent. (c) If the system is consistent, approximate the solution. (d) Solve the system algebraically. (e) Compare the solution in part (d) with the approximation in part (c). What can you conclude? 2 x − 8 y = 3 1 2 x + y = 0
Graphical Analysis. In Exercises 31-36, complete parts (a)-(e) for the system of equations. (a) Use a graphing utility to graph the system. (b) Use the graph to determine whether the system is consistent or inconsistent. (c) If the system is consistent, approximate the solution. (d) Solve the system algebraically. (e) Compare the solution in part (d) with the approximation in part (c). What can you conclude? 2 x − 8 y = 3 1 2 x + y = 0
For each graph below, state whether it represents a function.
Graph 1
24y
Graph 2
Graph 3
4
2
-8
-6 -4
-2
-2
2 4 6
Function?
○ Yes
○ No
○ Yes
○ No
Graph 4
Graph 5
8
Function?
Yes
No
Yes
No
-2.
○ Yes
○ No
Graph 6
4
+
2
4
-8 -6 -4 -2
2 4 6
8
Yes
-4++
No
Practice
k Help
ises
A
96
Anewer The probability that you get a sum of at least 10 is
Determine the number of ways that the specified event can occur when
two number cubes are rolled.
1. Getting a sum of 9 or 10
3. Getting a sum less than 5
2. Getting a sum of 6 or 7
4. Getting a sum that is odd
Tell whether you would use the addition principle or the multiplication
principle to determine the total number of possible outcomes for the
situation described.
5. Rolling three number cubes
6. Getting a sum of 10 or 12 after rolling three number cubes
A set of playing cards contains four groups of cards designated by color
(black, red, yellow, and green) with cards numbered from 1 to 14 in each
group. Determine the number of ways that the specified event can occur
when a card is drawn from the set.
7. Drawing a 13 or 14
9. Drawing a number less than 4
8. Drawing a yellow or green card
10. Drawing a black, red, or green car
The spinner is divided into equal parts.
Find the specified…
Answer the questions
Chapter 1 Solutions
Bundle: Elementary Linear Algebra, Loose-leaf Version, 8th + MindTap Math, 1 term (6 months) Printed Access Card
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