Describing trends in scatter plots

Repeating decimals

3 Topics
|
3 Quizzes
Square roots & cube roots

5 Topics
|
6 Quizzes
Irrational numbers

3 Topics
|
2 Quizzes
- Classify numbers: rational & irrational
Approximating irrational numbers

4 Topics
|
3 Quizzes
- Comparing irrational numbers with a calculator
Exponents with negative bases

6 Topics
|
3 Quizzes
Exponent properties intro

3 Topics
|
4 Quizzes
Negative exponents

2 Topics
|
1 Quiz
1. Negative exponents
2. Negative exponent intuition
- Negative exponents
Exponent properties (integer exponents)

2 Topics
|
2 Quizzes
1. Multiplying & dividing powers (integer exponents)
  1. Multiply & divide powers (integer exponents)
2. Powers of products & quotients (integer exponents)
- Powers of products & quotients (integer exponents)
Working with powers of 10

2 Topics
|
2 Quizzes
1. Multiplying multiples of powers of 10
  1. Multiplication and division with powers of ten
2. Approximating with powers of 10
  1. Approximating with powers of 10
Scientific notation intro

2 Topics
|
1 Quiz
1. Scientific notation example: 0.0000000003457
2. Scientific notation examples
- Scientific notation
Arithmetic with numbers in scientific notation

4 Topics
|
2 Quizzes
- Multiplying & dividing in scientific notation
- Adding & subtracting in scientific notation
Scientific notation word problems

3 Topics
|
1 Quiz
- Scientific notation word problems
Equations with variables on both sides

4 Topics
|
2 Quizzes
Equations with parentheses

1 Topic
|
2 Quizzes
1. Equations with parentheses
  1. Equations with parentheses
- Equations with parentheses: decimals & fractions
Number of solutions to equations

4 Topics
|
2 Quizzes
- Number of solutions to equations
- Number of solutions to equations challenge
Equations word problems

2 Topics
|
1 Quiz
1. Sums of consecutive integers
2. Sum of integers challenge
- Sums of consecutive integers
Graphing proportional relationships

2 Topics
|
1 Quiz
1. Rates & proportional relationships example
2. Rates & proportional relationships: gas mileage
  1. Rates & proportional relationships
Solutions to linear equations

4 Topics
|
2 Quizzes
- Solutions to 2-variable equations
- Complete solutions to 2-variable equations
Intercepts

5 Topics
|
2 Quizzes
- Intercepts from a graph
- Intercepts from an equation
Slope

8 Topics
|
3 Quizzes
Intro to slope-intercept form

2 Topics
|
1 Quiz
1. Intro to slope-intercept form
2. Worked examples: slope-intercept intro
- Slope-intercept intro
Writing slope-intercept equations

5 Topics
|
2 Quizzes
- Slope-intercept equation from graph
- Slope-intercept from two points
Functions

7 Topics
|
3 Quizzes
Linear models

7 Topics
|
3 Quizzes
Comparing linear functions

6 Topics
|
1 Quiz
- Compare linear functions
Constructing linear models for real-world relationships

5 Topics
|
1 Quiz
- Writing linear functions word problems
Recognizing functions

9 Topics
|
2 Quizzes
- Recognize functions from tables
- Recognize functions from graphs
Linear and nonlinear functions

5 Topics
|
2 Quizzes
- Linear & nonlinear functions
- Interpreting graphs of functions
Intro to systems of equations

3 Topics
|
1 Quiz
- Solutions of systems of equations
Solving systems with substitution

6 Topics
|
1 Quiz
- Systems of equations with substitution
Number of solutions to systems of equations

5 Topics
|
1 Quiz
- Number of solutions to a system of equations algebraically
Systems of equations word problems

7 Topics
|
2 Quizzes
- Age word problems
- Systems of equations word problems
Angles between intersecting lines

4 Topics
|
3 Quizzes
Triangle angles

7 Topics
|
3 Quizzes
Pythagorean theorem

3 Topics
|
4 Quizzes
Pythagorean theorem application

4 Topics
|
5 Quizzes
Pythagorean theorem and distance between points

1 Topic
|
1 Quiz
1. Distance formula
- Distance between two points
Pythagorean theorem proofs

4 Topics
Volume

3 Topics
|
4 Quizzes
Transformations intro

3 Topics
|
1 Quiz
- Identify transformations
Translations

3 Topics
|
1 Quiz
- Translate points
Rotations

2 Topics
|
2 Quizzes
1. Rotating points
2. Determining rotations
- Rotate points (basic)
- Determine rotations (basic)
Reflections

3 Topics
|
1 Quiz
- Reflect points
Properties & definitions of transformations

3 Topics
|
3 Quizzes
Dilations

5 Topics
|
2 Quizzes
- Dilations: scale factor
- Dilate triangles
Congruence and similarity

4 Topics
|
2 Quizzes
- Congruence & transformations
- Similarity & transformations
Introduction to scatter plots

1 Topic
|
1 Quiz
1. Constructing a scatter plot
  1. Making appropriate scatter plots
Interpreting scatter plots

2 Topics
|
2 Quizzes
1. Example of direction in scatterplots
2. Scatter plot: smokers
- Positive and negative linear associations from scatter plots
- Describing trends in scatter plots
Estimating lines of best fit

4 Topics
|
3 Quizzes
Two-way tables

3 Topics
|
4 Quizzes

Math 8th grade

Describing trends in scatter plots

Quiz Summary

Information

Results

Results

Categories

1. Question

The graph shown below displays the change in the average temperature of the world over time.

Which statement is the best description of the association between these variables?

Choose 1 answer:

2. Question

Which statement is the best description of the association between these variables?

Choose 1 answer:

3. Question

Lynn wants to predict how much fuel her car will use based on its speed. She drove a car 100 at each of the speeds below, and she measured how much fuel was used in each case. Her data is summarized in the graph below.

Which statement is the best description of the association between these variables?

Choose 1 answer:

4. Question

Raymundo wanted to know if sons of taller fathers tend to be taller. This graph shows the relationship between the heights of fathers and sons (in centimeters) for Raymundo’s sample.

Which statement is the best description of the association between these variables?

Choose 1 answer:

5. Question

The graph below displays the relationship between the age of drivers and the number of car accidents per 100 drivers in the year 2009.

Which statement is the best description of the association between these variables? Choose 1 answer:

6. Question

The graph below shows the relationship between test grades and shoe sizes of the students in Dexter’s class.

Which statement is the best description of the association between these variables?

Choose 1 answer:

7. Question

The plot shown below displays the relationship between the average income in a city and the average rent for a 1-bedroom apartment in that city.

Which statement is the best description of the association between these variables?

Choose 1 answer:

8. Question

The graph below shows the relationship between life expectancy and infant mortality rate in a random sample of countries.

Which statement is the best description of the association between these variables?

Choose 1 answer:

9. Question

Aubree wanted to see if there is a connection between the time a given exam takes place and the average score of this exam. She collected data about all the exams from the previous year and arranged the average scores of the exams according to the period they took place, as shown below.

Which statement is the best description of the association between these variables?

Choose 1 answer:

10. Question

The graph below shows the relationship between life expectancy and income in a random sample of countries.

Which statement is the best description of the association between these variables?

Choose 1 answer:

Lynn wants to predict how much fuel her car will use based on its speed. She drove a car at each of the speeds below, and she measured how much fuel was used in each case. Her data is summarized in the graph below.

The graph below displays the relationship between the age of drivers and the number of car accidents per 100 drivers in the year

Which statement is the best description of the association between these variables?

Choose 1 answer: