Check whether the following are satisfying the condition of a simple equation? [3 MARKS]

a) $6 x + \frac{4 x}{3} + 4$

b) $2 t + 34 = 42$

c) $2 x^{2} + 4 x + 2 = 0$

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Solution

1 Mark each

a) No; It is an expression not equation because it does not have "=” sign in it.

b) Yes; It is an equation because "=” sign is present in it.

c) No; In a simple equation, the highest degree of the polynomial is one whereas here the highest power is 2.

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In below problems, find the equation which satisfies the condition of a simple equation. [3 MARKS]

a) $6 x + \frac{4 x}{3} + 4$

b) $2 t + 34 = 42$ .

c) $2 x^{2} + 4 x + 2 = 0$

In below problems, find the equation which satisfies the condition of a simple equation.

a) $6 x + \frac{4 x}{3} + 4$

b) $2 t + 34 = 42$ .

c) $2 x^{2} + 4 x + 2 = 0$ [3 MARKS]

Q. Check whether the following is a quadratic equation:

x^{3} - {4 x}^{2} - x + 1 = {(x - 2)}^{3}

Q. Check whether the following is quadratic equation.

x^{3} - 4 x^{2} - x + 1 = (x - 2)^{3}

Q. Check whether the given equation is a quadratic equation or not.

3 x^{2} - 4 x + 2 = 2 x^{2} - 2 x + 4

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Check whether the following are satisfying the condition of a simple equation? [3 MARKS] a) 6x +4x3 +4 b) 2t+34=42 c) 2x2+4x+2=0

1 Mark each a) No; It is an expression not equation because it does not have "=” sign in it. b) Yes; It is an equation because "=” sign is present in it. c) No; In a simple equation, the highest degree of the polynomial is one whereas here the highest power is 2.

Check whether the following are satisfying the condition of a simple equation? [3 MARKS]

a) $6 x + \frac{4 x}{3} + 4$

b) $2 t + 34 = 42$

c) $2 x^{2} + 4 x + 2 = 0$

1 Mark each

a) No; It is an expression not equation because it does not have "=” sign in it.

b) Yes; It is an equation because "=” sign is present in it.

c) No; In a simple equation, the highest degree of the polynomial is one whereas here the highest power is 2.