# CBSE Class 10-Mathematics: Chapter –4 Quadratic Equations Part 14

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**Question 28:**

Find the ratio of the sum and product of the roots of

**Answer:**

**Question 29:**

If and are the roots of the equation , such that , then

**Answer:**

## 3 Mark Questions

**Question 1:**

Check whether the following are Quadratic Equations.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

**Answer:**

(i)

Here, degree of equation is .

Therefore, it is a Quadratic Equation.

(ii)

Here, degree of equation is .

Therefore, it is a Quadratic Equation.

(iii)

Here, degree of equation is .

Therefore, it is not a Quadratic Equation.

(iv)

Here, degree of equation is .

Therefore, it is a quadratic equation.

(v)

Here, degree of Equation is .

Therefore, it is a Quadratic Equation.

(vi)

Here, degree of equation is .

Therefore, it is not a Quadratic Equation.

(vii)

Here, degree of Equation is .

Therefore, it is not a quadratic Equation.

(iii)

Here, degree of Equation is .

Therefore, it is a Quadratic Equation.