The positive value of k for which the equations x² + kx + 64 = 0 and x² - 8x + k = 0 will both have real roots, is

1. 16

2. 8

3. 12

4. 4

If 3 is a root of the quadratic equation x² - px + 3 = 0, then p is equal to:

1. 4

2. 3

3. 5

4. 2

The solution set for the quadratic equation 2x² - x + $\dfrac{1}{8}$ = 0 is:

1. $\Big{\dfrac{1}{4}, \dfrac{1}{4}\Big}$

2. $\Big{-\dfrac{1}{4}, \dfrac{1}{4}\Big}$

3. $\Big{-\dfrac{1}{2}, \dfrac{1}{4}\Big}$

4. {4, 4}

The solution set for the quadratic equation 2x² = 288, is:

1. {12, 12}

2. {-12, -12}

3. {-12, 18}

4. {-12, 12}