CUA 4 Test Corrections

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the cost of each hot dog and soda at the concession stand?
Back
Each hot dog costs $1.50 and each soda costs $0.50.
2.
FLASHCARD QUESTION
Front
How do you find the solution of a system of linear equations?
Back
The solution is the intersection of the two equations on a graph.
3.
FLASHCARD QUESTION
Front
What is the value of y in the system of equations 6x + 10y = -32 and 6x + 9y = -27?
Back
y = -5
4.
FLASHCARD QUESTION
Front
How do you solve the equations y=3x+14 and y=-4x by substitution?
Back
Substituting -4x into y=3x+14 gives y = -2.
5.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinitely many solutions?
Back
It means that the equations represent the same line on a graph.
6.
FLASHCARD QUESTION
Front
What is the total revenue from selling 35 hot dogs and 52 sodas?
Back
Total revenue = (35 * $1.50) + (52 * $0.50) = $78.50.
7.
FLASHCARD QUESTION
Front
What is a linear equation?
Back
A linear equation is an equation that makes a straight line when graphed.
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