Use the quadratic equation y = x^2 – 6x + 9.
where does the vertex of the parabola lie?
a. below the x-axis
b. on the x-axis
c. on the y-axis
d. above the x-axis
calculate the discriminant to determine the number of real roots.
y = x^2 + 3x + 9
how many real roots does the equation have?
a. one real root
b. no real roots
c. two real roots
d. no solution to the equation

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

What is the slope of (0,32) and (100,212)

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours