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-Real World Systems! Flashcards | StudBud
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-Real World Systems!
-Real World Systems!
15 terms
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StudBud Administration
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31 plays
#blindquiz #System #Equations #WordProblems
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
You have
$200
to spend. Jeans are
$25
and dresses are
$50
. You want to buy
6
items of clothing
x + y = 6
25x + 50y = 200
6 + 200 = y
200 - 25 - 50 = x
2
You have
$200
to spend. Jeans are
$25
and dresses are
$50
. You want to buy
6
items of clothing
Let x = number of jeans
Let i = number of items
Let c = number of clothing
Let y = number of dresses
3
Steps For Solving Real World Problems
Define your variables
Check if you like
Write three equations
Write solution as ordered pair
4
Write two equations
No variable should be in the equations
Each equation should be on the same topic
Each equation should be related to a different topic
Write the same equation two times
5
How should you give your final answer to a word problem system?
Look for intersection.
Write answer in a matrix.
Use solution to write answer in real-world format.
Write answer as an ordered pair.
6
At how many minutes do both companies charge the same amount?
5 minutes
Always
10 minutes
Never
7
At how many minutes do both companies charge the same amount?
(20, 15)
20 minutes
15 minutes
(15, 20)
8
Tim's child tickets for $4 & adult tickets for $9 intersects the other line at (3, 4), if a=3..
c = 4
He bought 4 children tickets.
He bought 3 adult tickets.
He bought 3 children tickets
9
Tim got 7 tickets to a show & spent $43. He bought child tickets for $4 & adult tickets for $9.
Let t equal the number of tickets
Let a equal the number of adult tickets
Let p equal the number of puppets
Let c equal the number of child tickets
10
Highlight the important information in the problem that will help write two equations.
Highlight the question
Highlight all the numbers
Highlight today's date
Highlight your name
11
Define your variables.
What don't I know?
I don't care to do this.
Write the definition of a variable.
What am I trying to solve for?
12
Solve the system.
Use stat
Use matrices
Use solver
Use graphing
13
Tim got 7 tickets to a show & spent $43. He bought child tickets for $4 & adult tickets for $9.
9a = 43
c + a = 7
4c = 7
4c + 9a = 43
14
What is a real-world problem?
word problem
college material
more math problems
something very complicated
15
The graph of the system for jeans and sweaters has an intersection point at (4, 2), it means...
x = 2
You bought 2 dresses.
You bought 4 pair of jeans.
y = 4 2
