
Semester Final Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that can be graphically represented as a straight line. It has the form f(x) = mx + b, where m is the slope and b is the y-intercept.
2.
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.
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear function?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the equation f(x) = mx + b.
4.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
5.
FLASHCARD QUESTION
Front
How do you solve a system of equations graphically?
Back
To solve a system of equations graphically, plot both equations on the same graph and identify the point(s) where they intersect. This point(s) represents the solution(s) to the system.
6.
FLASHCARD QUESTION
Front
What is the significance of the point of intersection in a system of equations?
Back
The point of intersection represents the solution to the system of equations, indicating the values of the variables that satisfy both equations simultaneously.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating the cost of items when given total cost and quantity?
Back
The cost per item can be calculated using the formula: Cost per item = Total cost / Quantity.
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