B4 8.AF.6 CFU

B4 8.AF.6 CFU

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the y-intercept represent in a linear function?

Back

The y-intercept is the value of y when x is 0, indicating the starting point of the function on the y-axis.

2.

FLASHCARD QUESTION

Front

In the function H(t)=-0.25t+6, what does the value 6 represent?

Back

The value 6 represents the initial height of the candle in inches before it is lit.

3.

FLASHCARD QUESTION

Front

What is the formula for Tyra's monthly cost if she plays x hours of premium games?

Back

C(x) = 5 + 0.25x, where $5 is the monthly fee and $0.25 is the cost per hour.

4.

FLASHCARD QUESTION

Front

What does the slope of a linear function indicate?

Back

The slope indicates the rate of change of the function; in cost functions, it shows how much the cost increases or decreases per unit change in x.

5.

FLASHCARD QUESTION

Front

Back

The number 15 represents the y-intercept, indicating the value of y when x is 0.

6.

FLASHCARD QUESTION

Front

What does a negative slope in a linear equation indicate?

Back

A negative slope indicates that as x increases, y decreases.

7.

FLASHCARD QUESTION

Front

How do you interpret the slope in a cost function?

Back

The slope represents the additional cost incurred for each additional unit of the variable (e.g., toppings, hours played).

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