Class 10 Math All topics Quadratic Equations

Identify which of the following equations is a Quadratic Equation.

(a)

$5x+8=0$

(b)

$−2x_{2}+x=21$

(c)

$ax+by+c=0$

(d)

None of these.

Correct answer: (b)

Solution: Only option b is an equation where there is only one variable x and whose degree is 2. Thus it is a quadratic equation.Hence option b is the correct answer.

Similar topics

introduction to trigonometry

functions

some applications of trigonometry

quadratic equations

polynomials

introduction to trigonometry

functions

some applications of trigonometry

quadratic equations

polynomials

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