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Formula Sheet

Graphical Solution — Formula Sheet

ICSE · Class 9 · Mathematics

15 formulas from Graphical Solution (ICSE Class 9 Mathematics) on one page, grouped by topic. Part of the ICSE Class 9 Mathematics syllabus.

37 questions30 flashcards15 formulas & key relations5 concepts

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A flowchart illustrating the step-by-step process of drawing the graph of a linear equation in two variables (ax + by + c = 0).
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15 Entries · 6 Sections

Formulas and Key Relations

1. Linear Equation in Two Variables

ax+by+c=0

y=mx+c

2. Graphing a Linear Equation

Step 1: Make x or y the subject

Step 2: Choose at least three values

Step 3: Make a table

Step 4: Plot points

Step 5: Draw a straight line

3. Special Lines and Axis Rules

y=0

x=0

x=a

y=b

Linear Equations in Two Variables

A linear equation in two variables has the general form ax+by+c=0.

Finding Points on a Line by Graphing

For 2x-3y+12=0, the equation can be written as x=(3y-12)/2.

If point (m,-2) lies on the line, then m=-9.

For a point (m,-2), use y=-2 first.

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Frequently Asked Questions

What are the important topics in Graphical Solution for ICSE Class 9 Mathematics?
Key topics in Graphical Solution include Linear Equations in Two Variables, Graph of a Linear Equation, Reading Unknown Values from a Graph, Finding Points on a Line by Graphing. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Graphical Solution?
This sheet lists 15 formulas from Graphical Solution, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Graphical Solution for Class 9 exams?
Learn the core ideas first, then work through the 37 practice questions on Graphical Solution. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Graphical Solution

All ICSE Class 9 Mathematics Formula Sheet

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