Ask a Doubt

Request a call back

Join NOW to get access to exclusive study material for best results

Home
CBSE
Class 8
Ask a Doubt
View Answer

CBSE Class 8 Answered

5xsquare+13×+6

Asked by 8340190921 | 22 Sep, 2018, 07:48: PM

Expert Answer

5x² + 13x + 6 = 0

Here a = 5, b = 13 and c = 6

then b² - 4ac = 13² - 4 × 5 × 6 = 49> 0

$begin mathsize 16px style Use space the space Quadratic space Formula space to space find space the space value space of space straight x. straight x space equals space fraction numerator negative straight b space plus-or-minus square root of straight b squared space minus space 4 ac end root over denominator 2 straight a end fraction end style$

Therefore x = -2 or x = -3/5

Answered by Yasmeen Khan | 24 Sep, 2018, 12:34: PM

Application Videos

Solving Linear Equations in one variable

This video explains the method of finding the solutions of given linear equ...
Linear Equations to Simpler Form

This video explince the concept of Linear Equations to Simpler Form.
Equations Reducible to the Linear Form

This video explains the concept of Equations Reducible to the Linear Form.
Sum of the Measures of the Exterior Angles of a Polygon ...

This video explains the method of finding number of sides of a polygon if t...
Grouped Frequency Distribution Table

This video explains the method of constructing the Grouped Frequency Distri...

Concept Videos

Construction of Rhombus

Construction of rhombus given side and angle, both diagonals
Construction of squares and rectangles

construction of square given side and diagonals,construction of rectangles
Quadrilaterals

Definition, elements, angle sum property, classification of quadrilaterals
Surface Area: Cubes and Cuboids

cubes and cuboids, finding their surface area
Bar Graphs and Histograms

bar graph, histogram their interpretation,comparison of the two

Practice Test

Answered Unanswered My Questions My Answers

CBSE 8 - Maths

The four integers consecutively lower than 81 ,and the four consecutively higher than 81are added together . this sum is divisible by

Asked by sarkarchaitali4001 | 02 May, 2024, 04:11: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

A sum of 190 is divided between X, Y and Z. Y got 15 more than X and Z got 19 more than Y. Find each one's share. 8

question image

Asked by jaiswal445512 | 01 May, 2024, 05:42: AM

ANSWERED BY EXPERT

CBSE 8 - Maths

912,303,102,33,?,3,2

Asked by jigmetyangchen13 | 28 Apr, 2024, 02:33: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

x^2-x-240

Asked by kalpana3821 | 28 Apr, 2024, 06:48: AM

ANSWERED BY EXPERT

CBSE 8 - Maths

3m-9=4x-9/2+5x/7

question image

Asked by chauhannaman12b | 25 Apr, 2024, 09:33: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

9/16Ã4/12) +9/10Ã-3/9

Asked by gk9941740 | 23 Apr, 2024, 05:13: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

absolute value of product of the sum of 17/21 and 8/7 by their difference

Asked by pinkiyadav79919 | 22 Apr, 2024, 08:03: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

a 300million year old fossil of a cockroach was recently found in Ohio,america the ancient cockroach was 4right one upon two inches long while the modern cockroach is one upon two inches long how many times longer is the ancient cockroach than the modern cockroach

question image

Asked by hk1354035 | 20 Apr, 2024, 06:33: AM

ANSWERED BY EXPERT

CBSE 8 - Maths

A 1 117 3 m long rope is cut into equal pieces measuring 1 7 3 m each. How many such small pieces are these?

Asked by kaminiverma8787 | 16 Apr, 2024, 04:22: PM

ANSWERED BY EXPERT

CBSE 8 - Maths

the price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pethe price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pens and 5 pencil, is

Asked by chauhanshivansh112 | 15 Apr, 2024, 08:41: PM

ANSWERED BY EXPERT

My Class Videos Tests Plans Ask a Doubt

Get Latest Study Material for Academic year 24-25 Click here

×