well i need help regarding this question. Find the value of k for which the quadratic equation x2+5x+k=0 has no eual roots. please help. i m stuck at this for countless minutes...

well i need help regarding this question. Find the value of k for which the quadratic equation x2+5x+k=0 has no eual roots. please help. i m stuck at this for countless minutes...

if -4 is the root of a quadratic equation x2+px-4=0 and the quadratic equation x2+px+k=0 has equal roots, find the value of k

h= ?

Determine if each quadratic equation has real solutions. Choose Yes or No. A. 12x^2-5=-3 B 2/3 x^2+7=11 (the x is not in the fraction, it is after) C 2(x^2-3)=3(2x^2+1) D...

Draco steals and throws Neville's red ball straight up at 78 feet per second from about 10 feet above the ground. The ball's height in feet above the ground after t seconds is given by h(t)=−16t^2+78t+10...

A newspaper's profit is $20 per year for each of its 2,500 subscribers. Management estimates that the profit per subscriber will increase by 1¢ for each additional subscriber over the current 2,500...

Suppose the valley following the lift hill is in a shape of a parabola that has a maximum drop of 14m and the start and end points are 20m apart. Write a quadratic equation that models the profile...

with parameter

it is out of 6 marks you have to show your steps and have a final statement I dont understand how to do this question

solve the quadratic equation. if it has no real root, state so. the answer is 1.5 or -2.5, but i dont know the method

how to solve this problem

how many puppies were in the litter?

A square mirror has sides measuring 2 feet less than the sides of a square painting. If the difference between their areas is 32 square feet, find the lengths of the sides of the mirror and painting...

Someone installs 96 feet of electric fencing around a rectangular headquarters. If the headquarters covers 540 square feet, what are its dimensions?

s= 7t+16t^2 How long does it take the object to fall 78 feet?

A,B,C and D are posts on the banks of a 20 m wide canal. A and B 1 m apart. If OA is the same length as CD find how far C and D are apart

A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3 where h is the height, in metres, above the ground and t is the...

I have to solve the quadratic equation: x^2 +1.5x-10 My teacher said to multiply the equation by 2 and solve. how and why do I do this? Won't this change the equation...

ABCD is a rectangle in which AB=21 cm. The square AXYD is removed and the remaining rectangle has area 80 cm2. Find the length of BC.

what's the value of n to make perfect square? x^2+11x+n

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