<h3>
Answer: 0</h3>
The discriminant is the number under the square root of the quadratic formula
The discriminant formula is 
If D = 0, then the whole square root portion is 0 meaning we end up with the solution 
Answer: 17/24
Eplination: you need a common demonator
Now Steve, you can tap these into your calculator one by one,
get all the quotients, and mark the ones that are 4.2, all in about
3 minutes.
There are three (3) of them in the list.
One of them is 'C'. 27.3 ÷ 6.5 = 4.2
Now pick up your calculator and find the other two. You can do it !
Step-by-step explanation:
if 900 is increased by 20% then
120/100×900=1080
Decreasing it by 20% then
80/100×1080=864
Answer is below..............
