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Given, 2x²+7x+5√2=0 Highest Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.

Given, 2x²+7x+5√2=0 Highest Degree 2

And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.

Hope it helps you.

Given, x−6/x=3 Simply as x²−3x−6=0 Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.

Given, x−6/x=3 Simply as x²−3x−6=0 Degree 2

Given, x+2/x=x² Simplify above equation x³−x²=0 Degree 3 And it is not of the form ax²+bx+c=0 Therefore it is not a quadratic equation.

Clearly 2x² + 5/2 x - √3 = 0 is a quadratic polynomial 2x² + 5/2 x - √3 = 0 is a quadratic equation.

Clearly 2x² + 5/2 x – √3 = 0 is a quadratic polynomial

2x² + 5/2 x – √3 = 0 is a quadratic equation.

x² - x +3 =0 is a quadratic polynomial x² - x +3 =0 is a quadratic equation.

x² – x +3 =0 is a quadratic polynomial

x² – x +3 =0 is a quadratic equation.

x²+1/x²=5 (x4+1)/x²=5 x4+1=5x² x4−5x²+1=0 It is not of the form ax²+bx+c=0 Therefore,the given equation is not a quadratic equation.

It is not of the form ax²+bx+c=0 Therefore,the given equation is not a quadratic equation.

(x+2)³=x³−8 x³+8+6x²+12x=x³−8 −6x²+12x+16=0 Degree =2 It is a quadratic equation

x³+8+6x²+12x=x³−8

−6x²+12x+16=0

Degree =2

It is a quadratic equation

(2x+3)(3x+2)=6(x−1)(x−2) Simplify above equation 6x²+4x+9x+6=6x²−12x−6x+12 31x−6=0 Degree 1 Not a quadratic equation

Simplify above equation

6x²+4x+9x+6=6x²−12x−6x+12

31x−6=0

Degree 1

Not a quadratic equation

(x4+2+1/x4=(2x²+2)/x+3 (x4+2x²+1)x=x²(2x²+2)+3

(x4+2x²+1)x=x²(2x²+2)+3

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## which of the following are quadratic equation in x? √2x²+7x+5√2

Given, 2x²+7x+5√2=0 Highest Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.

Given, 2x²+7x+5√2=0

Highest Degree 2

And it is of the form ax²+bx+c=0

See lessTherefore it is a quadratic equation.

## which of the following are quadratic equation in x? x²-3x-√x+4=0

Hope it helps you.

Hope it helps you.

See less## which of the following are quadratic equation in x? x-6/x=3

Given, x−6/x=3 Simply as x²−3x−6=0 Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.

Given, x−6/x=3

Simply as x²−3x−6=0

Degree 2

And it is of the form ax²+bx+c=0

See lessTherefore it is a quadratic equation.

## which of the following are quadratic equation in x? x+2/x=x²

Given, x+2/x=x² Simplify above equation x³−x²=0 Degree 3 And it is not of the form ax²+bx+c=0 Therefore it is not a quadratic equation.

Given, x+2/x=x²

See lessSimplify above equation

x³−x²=0

Degree 3

And it is not of the form ax²+bx+c=0

Therefore it is not a quadratic equation.

## which of the following are quadratic equation in x? 2x²+5x/2-√3

Clearly 2x² + 5/2 x - √3 = 0 is a quadratic polynomial 2x² + 5/2 x - √3 = 0 is a quadratic equation.

Clearly 2x² + 5/2 x – √3 = 0 is a quadratic polynomial

2x² + 5/2 x – √3 = 0 is a quadratic equation.

See less## Which of the following are quadratic equation in x? x²-x+3=0

x² - x +3 =0 is a quadratic polynomial x² - x +3 =0 is a quadratic equation.

x² – x +3 =0 is a quadratic polynomial

x² – x +3 =0 is a quadratic equation.

See less## which of the following are quadratic equation in x? x²-1/x²=5

x²+1/x²=5 (x4+1)/x²=5 x4+1=5x² x4−5x²+1=0 It is not of the form ax²+bx+c=0 Therefore,the given equation is not a quadratic equation.

## x²+1/x²=5

## (x4+1)/x²=5

## x4+1=5x²

## x4−5x²+1=0

It is not of the form ax²+bx+c=0

See lessTherefore,the given equation is not a quadratic equation.

## which of the following are quadratic equation in x? (x+2)³=x³-8

(x+2)³=x³−8 x³+8+6x²+12x=x³−8 −6x²+12x+16=0 Degree =2 It is a quadratic equation

## (x+2)³=x³−8

x³+8+6x²+12x=x³−8

−6x²+12x+16=0

Degree =2

It is a quadratic equation

See less## which of the following are quadratic equation in x? (2x+3)(3x+2)=6(x-1)(x-2)

(2x+3)(3x+2)=6(x−1)(x−2) Simplify above equation 6x²+4x+9x+6=6x²−12x−6x+12 31x−6=0 Degree 1 Not a quadratic equation

## (2x+3)(3x+2)=6(x−1)(x−2)

Simplify above equation

6x²+4x+9x+6=6x²−12x−6x+12

31x−6=0

Degree 1

Not a quadratic equation

See less## Which of the following is a quadratic equation in x? (x+1/x)²=2(x+1/x)+3

(x4+2+1/x4=(2x²+2)/x+3 (x4+2x²+1)x=x²(2x²+2)+3

## (x4+2+1/x4=(2x²+2)/x+3

(x4+2x²+1)x=x²(2x²+2)+3

See less