Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 28

EASY

10th CBSE

IMPORTANT

Earn 100

The sum of a number and its reciprocal is $2 \frac{1}{20} .$ The number is

100% studentsanswered this correctly

Important Questions on Quadratic Equations

HARD

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 29

The perimeter of a rectangle is

82 m

and its area is `

400 m^{2}

`. The breadth of the rectangle is

MEDIUM

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 30

The length of a rectangular field exceeds its breadth by

8 m

and the area of the field is

240 m^{2}

. The breadth of the field is

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 31

The roots of the quadratic equation

2 x^{2} - x - 6 = 0

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 32

The sum of two natural numbers is

8

and their product is

15

. Find the numbers.

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 33

Show that

x = - 3

is a solution of

x^{2} + 6 x + 9 = 0

.

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 34

Show that

x = - 2

is a solution of

3 x^{2} + 13 x + 14 = 0

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 35

If

x = \frac{- 1}{2}

is a solution of the quadratic equation

3 x^{2} + 2 k x - 3 = 0

find the value of

k

.

MEDIUM

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 4 - Quadratic Equations>TEST YOURSELF>Q 36

Find the roots of the quadratic equation

2 x^{2} - x - 6 = 0

.