Find the discriminant to determine the number and nature of the solutions to the quadratic equation. -9x2 + 12x = 7
A)
D = 0, the equation has 1 real solution
B)
D > 0, the equation has 2 real solutions
C)
As the equation has 2 conjugate imaginary solutions
D)
the nu ber and nature of the solutions cannot be determined

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?