1- Check if x-22-x2-5 x-6- Is a quadratic equation-A- FalseB- True

The correct option is A False (x 2)^2=x^2+5x+6 x^2 4x+4=x^2+5x+6 9x+2=0 which is not a quadratic equation ...

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Standard X

Mathematics

Standard Form of a Quadratic Equation

1. Check if x...

Question

1. Check if $($ x-2 $)^{2}$ = $x^{2}$ + 5x + 6. Is a quadratic equation?

True

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False

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Solution

The correct option is B
False

${(x - 2)}^{2} = x^{2} + 5 x + 6$

$x^{2} - 4 x + 4 = x^{2} + 5 x + 6$

$9 x + 2 = 0$ which is not a quadratic equation

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Similar questions

Q. Check whether the following is quadratic equation.

x^{2} + 3 x + 1 = (x - 2)^{2}

Q. Which of the following is a quadratic equation?
(a)

x^{2} - 3 \sqrt{x} + 2 = 0

(b)

x + \frac{1}{x} = x^{2}

(c)

x^{2} + \frac{1}{x^{2}} = 5

(d)

2 x^{2} - 5 x = (x - 1)^{2}

Q. Which of the following is a quadratic equation?
(a)

(x^{2} + 1) = (2 - x)^{2} + 3

(b)

x^{3} - x^{2} = (x - 1)^{3}

(c)

2 x^{2} + 3 = (5 + x) (2 x - 3)

(d) None of these

Q. Check whether the following are Quadratic equations

x^{2} + 3 x + 1 = {(x - 2)}^{2}

Which of the following is not a quadratic equation?
(a) $3 x - x^{2} = x^{2} + 5$
(b) $(x + 2)^{2} = 2 (x^{2} - 5)$
(c) $(2 x + 3)^{2} = 2 x^{2} + 6$
(d) $(x - 1)^{2} = 3 x^{2} + x - 2$

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1. Check if (x-2)2 = x2 + 5x + 6. Is a quadratic equation?

The correct option is B False (x−2)2=x2+5x+6 x2−4x+4=x2+5x+6 9x+2=0 which is not a quadratic equation

1. Check if $($ x-2 $)^{2}$ = $x^{2}$ + 5x + 6. Is a quadratic equation?

The correct option is B
False

${(x - 2)}^{2} = x^{2} + 5 x + 6$

$x^{2} - 4 x + 4 = x^{2} + 5 x + 6$

$9 x + 2 = 0$ which is not a quadratic equation