Quadratic Equations Shortcuts with Examples

Quadratic Equations Shortcuts with Examples

An equation in which the highest power of the variable is 2 is called a quadratic equation.For example, the equation of the type ax²+bx+c=0 denotes a quadratic equation.

There are many ways for solving a quadratic equations  but while in exams we need a quick answer 
so there is a shortcut method which used for solving a quadratic equations in less time but before let me tell you the most basic and accurate method which is used for it.

Solving Quadratic Equations

When we solved a quadratic expression or equation, it will always gives two values of variable. these values are called roots of the equation or expression.

By taking square roots or Factor MethodBy Quadratic Formula

1. Factorization of Quadratic Equation

Condition for Factorization of a quadratic Equation

If b² - 4ac  > 0, then the quadratic equation can be factorized. If b² - 4ac  < 0, then the quadratic equation cannot be factorized.some basic formulas which used in while solving through factorization method.

Letter series Tricks Q10

Q10.       K  M  5,       1  P  8,           G  S  11,         E  V  14 ,    ..............

a) C Y 17

b) B Y 17

c) B X 17

d) C Z 17

e) None of The Above

Solution :-

Option A

Letter series Tricks Q9

Q9.      1 C V,    5 F U,    9 I T,   ..............,  17 O R

a) 11LS

b) 14JS

c) 15JS

d) 13LS

e) None of The Above

Solution :-

Option D

Letter series Tricks Q8

Q8.             2B,          ...........,              8E,             14H,            22L

a) 4C

b) 4D

c) 6E

d) 9F

e) None of The Above 

Solution :-

Option A

Letter series Tricks Q5

Q5.              B,                  B,                  A,                   D,                ............,               F    

a) B

b) A

c) Z

d) C

e) None of The Above 

Solution :-

Option C

Letter series Tricks Q7

Q7.     D,   DD,   DDDD,    DDDDDDD,         ......................

a) DDDDDDDDD

b)DDDDDDDDDD

c) DDDDDD

d) DDDDDDDDDDD

e) None of The Above

Solution :-

Option D

Letter series Tricks Q6

Q6.            LMD,              MKG,                   NIJ,     ............

a) PKM

b) MGO

c) LGM

d) OGM 

e) None of The Above 

Solution :-

Option D

Letter series Tricks Q4

Q4.            X,              F,                 Y,                G,                 ..............,               H

a) Z

b) A

c) B

d) Y

e) None of The Above

Solution :-

Option A

Letter series Tricks Q3

Q3.      ..........,     E,         G,          J,           N

a) A   

b) B

c) D

d) Z

e) None of The Above

Solution :-

Option C

Letter series Tricks Q2

Q2.  P,__,J,G,D,A

a) Q

b) N

c) K

d) M

e) None of The Above

Solution :-

Option D

Letter series Tricks Q- 1

From the above diagram you can easily see the position and opposite word of each alphabet.For Example - Position of D is 4 and opposite letter to D is W and position of W is 23.Position of J is 10 and opposite letter of J is Q and position of Q is 17 and so on.

Find the letter in place of question mark (?) In the series given below:

Q1.       B,    F,    ..........,     N,     R

a) G

b) K

c) J

d) L

e) None of The Above

Solution :-

Option C

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