Q4 of 134 Page 4


Check whether the following equation is quadratic or not: 7x = 2x 2.


The equation is: 7x = 2x 2
or 2x 2 – 7x = 0
The highest power of x is called the degree of the equation.
And, the degree of the equation : 2x 2 – 7x = 0 is 2
∴ 7x = 2x 2 is a quadratic equation.

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