Understanding ISC Mathematics Class 11 Volume 1>Chapter 6 - Quadratic Equations>CHAPTER TEST>Q 16

EASY

11th ICSE

IMPORTANT

Earn 100

Determine the values of $a$ for which the equation $x^{2} - 2 (a + 1) x + 4 = 0$ has real and distinct roots.

Important Questions on Quadratic Equations

EASY

11th ICSE

IMPORTANT

Understanding ISC Mathematics Class 11 Volume 1>Chapter 6 - Quadratic Equations>CHAPTER TEST>Q 16

Determine the values of

a

for which the equation

x^{2} - 2 (a + 1) x + 4 = 0

has equal roots.

EASY

11th ICSE

IMPORTANT

Understanding ISC Mathematics Class 11 Volume 1>Chapter 6 - Quadratic Equations>CHAPTER TEST>Q 17

Determine the values of

m

for which the equation

x^{2} - 2 m x + 8 m - 15 = 0

has equal roots.

EASY

11th ICSE

IMPORTANT

Understanding ISC Mathematics Class 11 Volume 1>Chapter 6 - Quadratic Equations>CHAPTER TEST>Q 17

Determine the values of

m

for which the equation

x^{2} - 2 m x + 8 m - 15 = 0

has both roots positive.

EASY

11th ICSE

IMPORTANT

Understanding ISC Mathematics Class 11 Volume 1>Chapter 6 - Quadratic Equations>CHAPTER TEST>Q 18

For what values of

k

, the graph of the

y = x^{2} + (k - 1) x + 9

lies above horizontal axis.