Find all the real square roots of -9/16 a. no real root b. -3/4 c. -3/4 and 3/4 d. 81/256

a. no real root

Step-by-step explanation:

sqrt(-9/16)   has no real roots  because negative numbers do not have two real numbers that are the same that multiply together to give a negative

-a * -a = a^2

a*a = a^2

There is no real number that gives -a^2

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

all it means is function 3