Q4 of 86 Page 36

Find the zero of the polynomial in each of the following cases.
f(x) = 2x + 3

f(x) = 2x + 3

f(x) = 0

⇒ 2x + 3 = 0

⇒ 2x = 0 – 3

⇒ 2x = -3

∴ is the zero of the polynomial 2x + 3.

Find the zero of the polynomial in each of the following cases.

f(x) = x + 2

Find the zero of the polynomial in each of the following cases.

f(x) = x - 2

Find the zero of the polynomial in each of the following cases.

f(x) = 2x - 3

Find the zero of the polynomial in each of the following cases.

f(x) = x²

Questions · 86

2. Polynomials and Factorisation

1 2 3 4 5 6 1 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 5 6 1 1 1 1 1 2 3 4 5 6 7 8 9 1 1 1 1 2 2 2 2 2 3 4 5 6 7 7 7 7 8 9 10 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 5

Find the zero of the polynomial in each of the following cases.f(x) = 2x + 3