Zeroes of the Polynomial

Q.

Verify $x=\frac{-1}{5}$ is zero of the polynomial $p\left(x\right)=5x+1$

Q. What is the sum of zeroes of the polynomials $p\left(x\right)=3x-6$ and $q\left(x\right)=4x-12$ ?

1. 7
2. 5
3. 4
4. 6

Q. If a polynomial has only 1 and 3 as its zeroes, what is the polynomial ?

1. x² - 2x +3
2. x² - 4x -3
3. x² + 2x -3
4. x² - 4x +3

Q. If "a" is a zero of the polynomial q(x), which of the following is true?

1. q(a) =1
2. q(a) =0
3. q(a) =1
4. q(a-1) =1

Q.

Find the zero the polynomial, $q\left(x\right)=x+7$