Comparing Linear Functions (8.F.2)

Comparing Linear Functions (8.F.2)

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

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 graphs to a straight line and can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept.

2.

FLASHCARD QUESTION

Front

What does the slope of a linear function represent?

Back

The slope represents the rate of change of the function, indicating how much y changes for a unit change in x.

3.

FLASHCARD QUESTION

Front

How do you compare the rates of change of two linear functions?

Back

You compare the slopes of the functions; the function with the greater slope has a higher rate of change.

4.

FLASHCARD QUESTION

Front

What is the y-intercept in a linear function?

Back

The y-intercept is the value of y when x is 0, representing where the line crosses the y-axis.

5.

FLASHCARD QUESTION

Front

If a linear function has a slope of 5, what does this mean in a real-world context?

Back

It means that for every 1 unit increase in x, y increases by 5 units.

6.

FLASHCARD QUESTION

Front

How can you determine which of two linear functions is greater at a specific x-value?

Back

Substitute the x-value into both functions and compare the resulting y-values.

7.

FLASHCARD QUESTION

Front

What is the equation of a line with a slope of 3 and a y-intercept of 2?

Back

The equation is y = 3x + 2.

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