हिंदी

Write the given quadratic equation in standard form and also write the values of a, b and c 4y2 – 3y = – 7 - Algebra

Advertisements
Advertisements

प्रश्न

Write the given quadratic equation in standard form and also write the values of a, b and c

4y2 – 3y = – 7

योग

उत्तर

Given equation is 4y2 – 3y = – 7

∴ 4y2 – 3y + 7 = 0

Comparing the above equation with ay2 + by + c = 0, we get

a = 4, b = – 3, c = 7

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Quadratic Equations - Q.1 (B)

संबंधित प्रश्न

Represent the following situation in the form of a quadratic equation:

Rohan's mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find Rohan's present age.


In the following, determine whether the given values are solutions of the given equation or not:

2x2 - x + 9 = x2 + 4x + 3, x = 2, x =3


John and Jivanti together have 45 marbles. Both of them lost 5 marbles each, and the product of the number of marbles they now have is 128. Form the quadratic equation to find how many marbles they had to start with, if John had x marbles.


Without solving, comment upon the nature of roots of the following equations

7x2 – 9x +2 =0


Solve : (2x – 3)² = 49


Solve the following equation for x and give, in the following case, your answer correct to 2 decimal places:

x2 – 3x – 9 = 0


Solve:

`(x^2 + 1/x^2) - 3(x - 1/x) - 2 = 0`


Without solving, comment upon the nature of roots of the following equation: 

`x^2 + 2sqrt(3)x - 9 = 0`


Which of the following are quadratic equation in x? 

`sqrt2x^2+7x+5sqrt2` 


`6x^2+11x+3=0` 

 


`3x^2-2sqrt6x+2=0` 

 


`4x^2+4bx-(a^2-b^2)=0` 

 


`2^2x-3.2^((x+2))+32=0`


A takes 6 days less than the time taken by B to finish a piece of work. If both A and B work together they can finish in 4 days. Find the time taken by B to finish the work. 


A takes 10days less than B to Finish a piece of work , If both A and B work together , they can finish the work in 12 days. Find the time taken by B to finish the work.


Solve :
 (x+5)(x-5)=24
 


In each of the following find the values of k of which the given value is a solution of the given equation:
x2 + 3ax + k = 0; x = a.


If `(2)/(3)`  is a solution of the equation 7x2 + kx – 3 = 0, find the value of k.


Solve for x using the quadratic formula. Write your answer correct to two significant figures:

(x – 1)2 – 3x + 4 = 0


If x2 – 3x + 2 = 0, values of x correct to one decimal place are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×