Semester A Exam 2024
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the relationship between two numbers if the second number is 3 more than the first?
Back
If the first number is represented as x, then the second number can be expressed as x + 3.
2.
FLASHCARD QUESTION
Front
What does it mean for the product of two numbers to be 9 more than their sum?
Back
If the two numbers are x and y, then the equation can be written as xy = x + y + 9.
3.
FLASHCARD QUESTION
Front
Which of the following is a function: {(-1, 3), (-2, 6), (0, 0), (0, -2, -2)}?
Back
This is not a function because the input 0 has two different outputs.
4.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
A function is a relation where each input has exactly one output.
5.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range is the set of all possible output values (y-values) of a function.
6.
FLASHCARD QUESTION
Front
What is the equation for the axis of symmetry in a quadratic function?
Back
The axis of symmetry can be found using the formula x = -b/(2a) for a quadratic in the form ax^2 + bx + c.
7.
FLASHCARD QUESTION
Front
How do you determine if a point is a solution to a system of equations?
Back
Substitute the point's coordinates into both equations. If both equations are satisfied, it is a solution.
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