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Advantages and disadvantages of different graphs

Grade 9 Math: Master Core Concepts & Problem Solving

Operations with rational numbers

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Comparing and ordering rational numbers

Comparing decimal numbers

Comparing fractions

Solving problems with rational numbers in decimal form

Mixed Operations with Decimals

Mixed Operations

Mixed Operations with Decimals Bracket

Mixed Operations with Bracket Square

Solving problems with rational numbers in fraction form

Operations with fractions

Adding and subtracting decimals

Subtracting Decimals — Data Table

Ordering Decimals — Data Table

Decimals – Word Problem

Adding Decimals

Subtracting Decimals

Multiplying decimals

Multiplying Decimals

Dividing decimals

Dividing Decimals

Order of operations (PEMDAS)

Identify the Order of Operations

Order of Operations — Word Problem

Divisibility rules

Divisibility

Determining common factors

Common Factors — Word problem: bouquet

Common Factors — Word problem: party

Common Factors

Factors

Determining common multiples

Common Multiples — Word problem: meals

Common Multiples — Word problem: watches

Multiples

Lowest Common Multiple - 2 Numbers – Word Problem

Lowest Common Multiple 2 Numbers

Introduction to exponents

Expanded powers

Exponents — Express as a power of 10

Exponents — Word problem: express as a power

Exponents — Express as a power of two — Whole number

Place value

Comparing and ordering numbers

Comparing Integers

Comparing Numbers

Comparing Fractions

Rounding numbers

Rounding Decimals

Rounding Integers — Up to 9999

Exponents and exponent laws with whole-number exponents

Using exponents to describe numbers

Exponent rules

Single Power Expressions

Dividing powers

Multiplying powers

Order of operations with exponents

Using exponents to solve problems

Operations with polynomials of degree less than or equal to 2

Characteristics of polynomials

What are polynomials

Equivalent expressions of polynomials

Adding and subtracting polynomials

Multiplying and dividing monomials

Divide a monomial by a monomial

Multiply a monomial by a monomial

Multiplying polynomials by monomials

Multiply a polynomial by a monomial

Dividing polynomials by monomials

Two-variable linear relations using graphing, interpolation, and extrapolation

Representing patterns in linear relations

Represent Patterns in Linear Relations Equation Decimal

Represent Patterns in Linear Relations Equation Integer Start From 0

Represent Patterns in Linear Relations Equation Integer Start From 1

Represent Patterns in Linear Relations Equation Negative Decimal

Identify the Linear Equation

Reading linear relation graphs

Solving linear equations by graphing

Understanding graphs of linear relationships

Linear relations

Understanding tables of values of linear relationships

Linear relation

Applications of linear relationships

Multi-step one-variable linear equations

Solving linear equations using multiplication and division

Two-step Linear Equations LHS

Two-step Linear Equations RHS

Solving two-step linear equations: ax + b = c, x/a + b = c

Solving linear equations using distributive property: a(x + b) = c

Solving linear equations with variables on both sides

Solving literal equations

Spatial proportional reasoning

Enlargements and reductions with scale factors

Scale diagrams

Similar triangles

Similar polygons

Statistics in society

Frequency tables and dot plots

Analyze the Frequency Table

Influencing factors in data collection

Data collection

Probability

Reading and drawing bar graphs

read and draw bar graphs

Reading Bar Graphs

Reading and drawing histograms

Reading and drawing line graphs

Reading Line Graphs

Box-and-whisker plots and scatter plots

Reading and drawing Venn diagrams

Stem and leaf plots

The Leaf and Stem of Numbers

Recognizing the Leaf and Stem of Numbers

Recognizing The Leaf And Stem of Numbers Leaf

Recognizing The Leaf And Stem of Numbers Stem

Reading Stem and Leaf Plots — Median

Reading Stem and Leaf Plots — Range

stem and leaf plots Range

Reading Stem and Leaf Plots

Reading Stem and Leaf Plots — Mean

Reading Stem and Leaf Plots — Mode

Financial literacy - simple budgets and transactions

Simple interest

Simple Interest — Word Problem

Basic Concepts of Simple Interest – Word Problem

Borrowing Money for More Than One Year  – Word Problem

Investigate the Advantages of Borrowing Money  – Word Problem

We&apos;ve got you covered with our complete help for Grade 9 math, whether it&apos;s for <a href="http://www.eqao.com/en/assessments/grade-9-math">EQAO</a> (Ontario), grade 9 math <a href="https://education.alberta.ca/provincial-achievement-tests/about-the-pats/">PAT</a> (Alberta), grade 9 math <a href="http://www.ed.gov.nl.ca/edu/k12/evaluation/crts/intermediate/">Provincial Assessment</a> (Newfoundland) or <a href="http://www.gov.pe.ca/eecd/index.php3?number=1027081&lang=E">IMA</a> (PEI).

Aligned with your class or textbook, you will get grade 9 math help on topics like Circle geometry, Linear equations, Dividing polynomials, Exponents, Surface area, Rational numbers, and so many more. Learn the concepts with our video tutorials that show you step-by-step solutions to even the hardest grade 9 math questions. Then, strengthen your understanding with tons of grade 9 math practice. 

All our lessons are taught by experienced Grade 9 math teachers. Let&apos;s finish your homework in no time, and ACE that final.

Grade 9

math

https://dmn92m25mtw4z.cloudfront.net/img/textbook/textbook-grade9math.png

Ex. 1:

Ex. 2:

- Hi, welcome to this question right here. So we&apos;ve got two different graphs right here. So what happened is Jane over here measured the weight of her kitten, at the end of each month, okay? So there's the first month, second month, third month and the fourth month, right? So she used two different graphs, one is a pictograph over here using the pictures. The other one over here using the lines, okay? So it's called a line graph. Now, it's exactly the same data but she used a line graph and a pictograph to represent the data. Okay? 
So the question is asking you in which two months did the kitten grow at the same rate? Now, these results are taken at the end of the month. So if you look at the first one, what it means is at the end of the first month it was one kilogram, at the end of the second month it was two kilograms. The end of the third month, it was three kilograms, and the fourth month it was five kilograms. So in order for me to see the two months that have the same rate. If I'm looking at the line graph over here, I'll be looking at the one has that intervals, the two intervals will have the same slope. Let's call it the slope, or you can think of it as steepness, okay? So I can see that this slope right here, the steepness of the graph is exactly the same as this steepness over here. So that means those two intervals will have the same growth which is the same rate over here. That's between I guess it's month number two and the month number three, okay? But it looks like it's more like the month one to month two, or the month two to month three, but I think the question is probably just looking for the month two and the three. Okay? So that's the answer, and same thing over here. You can see that it seems like every kitten, every little cat's head right here is one kilogram, right? So we can see that from month one to month two, we&apos;ve got one, extra one. From two to three, we&apos;ve got one more of extra, okay? So that's the same growth rate, right there. One kilogram, and the next month another one kilogram. Okay? 
So the next question asked you, which graph shows this more clearly? 
For me, I would think it's the line graph. It's simply because the line graph-- as long as you have the same constant growth, the steepness of the graph will appear to be the same. So when I look at a line graph clearly I can see that there's two intervals right here that have the same steepness. So I personally will go for the line graph for this question. Okay? So I'm going to put down the line graph right here which is the line graph. Now, some people would choose the pictograph, okay? It's normal to pick the pictograph because I can see that the drawing of the kitten right here from month one to month two, you got one extra. From the two to three, you also got another kitten head. So clearly you can also see that the growth of the kitten's weight-- it's going to be here to here. The same growth rate right here, okay? So it really depends on your personality, your preference pretty much. I don't think there's a definite answer for this one. But for me to choose this one, I will go for the line graph for sure. Okay? Thanks for watching.

In this lesson, we will discuss the advantages and disadvantages of using different types of graphs to display data, such as, pictographs, line graphs, and bar graphs.