09/30/20

A basketball player shoots a ball toward the basket. Use the given ordered pairs to complete the problem, where t represents time and h(t)represents the height of the... more

02/26/20

#### Finding a point on a parabola

I need to find the point (x,15) on the parabola with the equation h(x)=-8x^2+50x+26. How would I calculate that out.

12/12/19

A woman falling from a building is modeled by the equation, h=-16t^2+300. Superman makes a path modeled by the equation, 100t+3h=600. Will he get to her before she hits the ground? If so at what... more

10/30/19

#### Min/Max applications of quadratic formulas

The total cost of producing a type of truck is given by , C(x) = 21000 -20x + 0.04^2 where x is the number of trucks produced. How many trucks should be produced to incur minimum cost?

10/30/19

The total cost of producing a type of tractor is given by , C(x)= 21000-60x + 0.05x^2 where x is the number of tractors produced. How many tractors should be produced to incur minimum cost?

10/07/19

#### throwing a softball

Aida threw a softball that traveled along a path described by the parabola y= -x^2 + 10x, where y = the height of the softball in feet and x = the horizontal distance in feet that the ball has... more

08/20/19

You throw a stone off a cliff 36 feet above the water. The height of the stone in terms of time in seconds is given by h(t)= -16t2+7t+36. At what time will the stone splash into the water?

06/18/19

#### An equation of a Parabola in the form of y=(x-h) squared + K

An equation of a Parabola in the form of y=(x-h)2+ K and passes through points (0,6) and (-3,21) Find Its equation?

06/05/19

A student estimated based on the video that the ball left my hand 1.56 meters off the ground, and after 0.59 seconds the ball reached the maximum height of 3.26 meters.Use this information to find... more

05/23/19

Damian the diver always dives into the deep abyss following the equation d=-5t2+10t+5, where d is the distances above the water (in meters) and t is the time (in seconds). How high is the diving... more

05/14/19

#### A Parabola has a vertex (-3,7) and one x intercept is -11. Find the other x intercept and the y intercept.

A Parabola has a vertex (-3,7) and one x intercept is -11. Find the other x intercept and the y intercept. How on earth do i do thisCould you go step by step

05/03/19

#### whats one parabola that can pass through both (15,10) and (0,8)

in vertex,standard,or factorized form

03/23/19

#### answer a, b and c

You will build a rectangular sheep pen next to a river. There is no need to build a fence along the river, so you only need to build three sides. You have a total of  feet of fence to use. Find the... more

03/23/19

A coin, thrown upward at time 𝑡=0 t = 0 from an office in the Empire State Building, has height in feet above the ground 𝑡 t seconds later given by h(t)=-16t^2+64t+960=-16(t-10)(t+6) From what... more

03/18/19

#### Find $C$ such that $x^2 - 47x - C = 0$ has integer roots, and further conditions?

Have been working on this for years. Need a system which proves that there exists a number $C$ which has certain properties. I will give a specific example, but am looking for a system which could... more

03/12/19

The braking distance of a car travelling at 100km/h is 40 metres. The formula for braking distance (d) in metres is d=kx2 where k is constant and x is speed in km/h. a) Find the value of k

03/10/19