Ihave to finish this packet for tomorrow and i need with this question

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2