12/17 8.15 & 8.16 Practice Test

Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a relation in mathematics?
Back
A relation is a set of ordered pairs, typically representing a relationship between two sets of values, known as the domain and range.
2.
FLASHCARD QUESTION
Front
Define domain in the context of a function.
Back
The domain of a function is the complete set of possible values of the independent variable (input) for which the function is defined.
3.
FLASHCARD QUESTION
Front
Define range in the context of a function.
Back
The range of a function is the complete set of possible values of the dependent variable (output) that result from using the function.
4.
FLASHCARD QUESTION
Front
What is slope-intercept form of a linear equation?
Back
The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.
5.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
6.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a graph?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is 0.
7.
FLASHCARD QUESTION
Front
What is the purpose of creating a table of values for a linear equation?
Back
A table of values helps to organize and visualize the relationship between the x and y values, making it easier to graph the equation.
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