1. Write a quadratic equation with integer coefficients and the given numbers as solutions. (Use x as the independent variable.)

4 and −1

2. Write a quadratic equation with integer coefficients and the given numbers as solutions. (Use x as the independent variable.)

7 and 2

3. Write a quadratic equation with integer coefficients and the given numbers as solutions. (Use x as the independent variable.)

9 and −9

4. Write a quadratic equation with integer coefficients and the given numbers as solutions. (Use x as the independent variable.)

-1/2 and 8

5. Write a quadratic equation with integer coefficients and the given numbers as solutions. (Use x as the independent variable.)

1/9 and 1/2