# Quadratic Equations (IMO- Mathematics Olympiad Class 10): Questions 71 - 77 of 80

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## Question number: 71

MCQ▾

### Question

If has equal roots, and then c is equal to________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 72

MCQ▾

### Question

The roots of the equation can be found by solving ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 73

MCQ▾

### Question

The equation has ________

### Choices

Choice (4) Response

a.

No root

b.

Infinitely many roots

c.

One integral root

d.

Two real roots

## Question number: 74

MCQ▾

### Question

If , then the value of x in terms of a and b is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 75

MCQ▾

### Question

Two numbers whose sum is 20 and absolute value of whose difference are 6 are the roots of the equation ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 76

MCQ▾

### Question

If , then the value of x in terms of a and b is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 77

MCQ▾

### Question

If one root of the equation is 1, and then the other root is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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