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ICSE /Class 9
Maths MCQ Based On Quadretic equation in one variable
Our free online Maths test quiz for Class 9, ICSE will assist you to improve your Maths skills on every concept in a fun interactive way.
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ICSE Class 9 Maths Quadretic equation in one variable
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To factor a quadratic of the form \\(x^2+bx+c\\), write it as
\\((x+r1)(x+r2) \\)
where \\(c=r_{1}.r_{2}\\) and \\(b=r_{1}+r_{2}\\).
or use quadratic formula
\\(x = {-b \\pm \\sqrt{b^2-4ac} \\over 2a}\\)
form a quadratic equation
Area of rectangle = length x breadth
Think about area of rectangle and calculate area of each face.
use A.P concept
To factor a quadratic of the form \\(x^2+bx+c\\), write it as
\\((x+r1)(x+r2) \\)
where \\(c=r_{1}.r_{2}\\) and \\(b=r_{1}+r_{2}\\).
or use quadratic formula
\\(x = {-b \\pm \\sqrt{b^2-4ac} \\over 2a}\\)
make and solve equation
Try finding factorsof 48
Use the formula for profit percentage
Think about product of length, breath and height for volume.
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