Day 2 Practice

Day 2 Practice

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 are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.75.

2.

FLASHCARD QUESTION

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction. They have non-repeating, non-terminating decimal expansions. Examples include √2 and π.

3.

FLASHCARD QUESTION

Front

What is a Venn diagram?

Back

A Venn diagram is a visual representation used to show the relationships between different sets. It uses overlapping circles to illustrate how the sets intersect.

4.

FLASHCARD QUESTION

Front

How do you determine if a graph represents a function?

Back

A graph represents a function if every vertical line intersects the graph at most once. This is known as the vertical line test.

5.

FLASHCARD QUESTION

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables by displaying data points on a Cartesian plane.

6.

FLASHCARD QUESTION

Front

What does positive correlation mean in a scatter plot?

Back

Positive correlation means that as one variable increases, the other variable also tends to increase. The points on the scatter plot slope upwards.

7.

FLASHCARD QUESTION

Front

What does negative correlation mean in a scatter plot?

Back

Negative correlation means that as one variable increases, the other variable tends to decrease. The points on the scatter plot slope downwards.

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