What is the minimum value of z for which z^2 + z - 3/4 > 0 is not true?  Pick one.
A) -5/2 B) -3/2 C) -1/2 D) 1/4 E) 1/2
z^+z-3/4=(z+1/2)^2-1   It&gt;0 is not true means it has to be less or equal to 0.   (z+1/2)^2-1&lt;=0   (z+1/2)^2&lt;=1   -1&lt;=z+1/2&lt;=1   -3/2&lt;=z&lt;=1/2   The minimum value of z is thus -3/2.   ANSWER:-3/2
<result>B</result>
What is the minimum value of z for which z^2 + z - 3/4 > 0 is not true?