Understanding Slope and Data Displays

Understanding Slope and Data Displays

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explores a GED-style problem that involves comparing different data displays, including line graphs, tables, and equations. It explains how to identify the equation of a line and understand its components, focusing on the concept of slope as a rate of change. The tutorial demonstrates how to calculate slope using points from graphs and compares different data displays to determine which company makes less money per bicycle. The key takeaway is understanding how to analyze and compare data using mathematical concepts like slope and rate of change.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two types of problems are combined in the question of the day?

Comparing data displays and understanding equations

Solving quadratic equations and graphing

Calculating interest and probability

Understanding fractions and decimals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of data display mentioned?

Equations

Line graphs

Tables

Bar charts

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the slope represent in the context of this problem?

The total number of bicycles sold

The number of companies compared

The amount of money made per bicycle

The total revenue

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation y = 255x, what does the number 255 represent?

The total cost

The amount of money made per bicycle

The number of bicycles sold

The total revenue

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the slope calculated from the first graph?

By subtracting the number of bicycles from the total revenue

By adding the total revenue and the number of bicycles

By dividing the total revenue by the number of bicycles

By multiplying the number of bicycles by the price per bicycle

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope calculated from the second graph?

$255 per bike

$208 per bike

$300 per bike

$275 per bike

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the advantage of using the slope formula with points that include (0,0)?

It increases the accuracy

It changes the slope value

It simplifies the calculation

It reduces the number of points needed

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which company makes less money per bicycle than Bling Bikes?

Bling Bikes

Bruce's Bicycles

Cycle World

Pedal Power