SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

What must be subtracted from 2x⁴ + 4x² – 3x + 7 to get 3x³ – x² + 2x + 1?

Which of the following is not true?

Multiply the following polynomials and find the degree of the resultant polynomial:

p(x) = x² – 9, q(x) = 6x² + 7x – 2

Multiply the following polynomials and find the degree of the resultant polynomial:

f(x) = 7x + 2, g(x) = 15x – 9

Multiply the following polynomials and find the degree of the resultant polynomial:

h(x) = 6x² – 7x + 1, f(x) = 5x – 7

Represent the following numbers on the number line

5.348

Represent the following numbers on the number line

`6.bar(4)` upto 3 decimal places

Represent the following numbers on the number line

`4.bar(73)` upto 4 decimal places

Find the zero of the polynomial of the following:

p(x) = x – 3

Find the zero of the polynomial of the following:

p(x) = 2x + 5

Find the zero of the polynomial of the following:

q(y) = 2y – 3

Find the zero of the polynomial of the following :

f(z) = 8z

Find the zero of the polynomial of the following:

p(x) = ax when a ≠ 0

Find the zero of the polynomial in the following:

h(x) = ax + b, a ≠ 0, a, b ∈ R

Verify whether the following are zeros of the polynomial indicated against them, or not

p(x) = 2x − 1, x = `1/2`

Verify whether the following are zeros of the polynomial, indicated against them, or not

p(x) = x³ – 1, x = 1

Verify whether the following are zeros of the polynomial, indicated against them, or not

p(x) = ax + b, x = `(-"b")/"a"`

Verify whether the following are zeros of the polynomial, indicated against them, or not

p(x) = (x + 3) (x – 4), x = −3, x = 4

Find the number of zeros of the following polynomial represented by their graph

Find the number of zeros of the following polynomial represented by their graph