Topic 13-14 Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a strong positive correlation?
Back
A strong positive correlation indicates that as one variable increases, the other variable also increases significantly.
2.
FLASHCARD QUESTION
Front
What is the equation for a linear function representing population growth?
Back
y - 450 = 4(x - 15) represents the population in thousands, where y is the population and x is the number of years after 2010.
3.
FLASHCARD QUESTION
Front
What type of equation is used to represent a relationship between two variables in a linear context?
Back
A linear equation can be represented in various forms, including slope-intercept form, standard form, and point-slope form.
4.
FLASHCARD QUESTION
Front
What is the point-slope form of a linear equation?
Back
The point-slope form is given by y - y1 = m(x - x1), where m is the slope and (x1, y1) is a point on the line.
5.
FLASHCARD QUESTION
Front
What does a strong negative correlation indicate?
Back
A strong negative correlation indicates that as one variable increases, the other variable decreases significantly.
6.
FLASHCARD QUESTION
Front
How do you write an equation for a situation involving multiple items with different prices?
Back
You can write an equation by summing the products of the quantities and their respective prices, e.g., 15x + 20y = 150.
7.
FLASHCARD QUESTION
Front
What is the slope in a linear equation?
Back
The slope is a measure of the steepness of a line, representing the rate of change of the dependent variable with respect to the independent variable.
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