For this instance suppose that we have a quadratic equation of the form: 
*
 The equipment to the quadratic recuacion is given by: 
*
 Where, The discriminant is: 
*
 When the discriminant is higher than zero, climate the source is positive, and therefore, we have actually two confident real solutions. snucongo.org: B. It has two genuine solutions



A store offers 20% off every items. If x is the original purchase price, i beg your pardon expression represents the final price v the disc

snucongo.org:

B & D

Step-by-step explanation:

We use percents in decimal kind to multiply it with the price. We convert percents right into decimals by splitting the percent number by 100. For example, 78% separated by 100 i do not care 0.78.

You are watching: If the discriminant of an equation is positive which of the following is true of the equation

There are two ways to look at it:

For finding the price us pay during a sale, we focus on the percent us pay. If 22% turn off is the sale, then we invest 78% or 100-22=78. If 20% turn off is the sale, then us pay 80% or 0.80. Multiply that by x an unknown price and also we have actually 0.8x.

We can uncover the percent turn off by multiply the price through the percent conversion. Therefore 20% is 0.20. Then subtract it from the initial price to discover the leftover that us pay. This is x-0.2x.

See more: How Many Milliliters Is 3 Oz, 3 Ounces To Milliliters Conversion Calculator


8 0
8 months ago
Read 2 much more snucongo.orgs

List the smallest 3 values in the set below. {x | x ∈ N and 20
bogdanovich <222>

snucongo.org:

21, 22 and also 23

Step-by-step explanation:

offered the collection A = {x | x ∈ N and also 20 1/x

cross multiply

x > 20

This means that the values of x are values grater than 20.

The smallest 3 values will be the smallest three natural numbers higher than 20 and they space 21, 22 and also 23. Keep in mind that natural numbers are whole numbers.


6 0
8 months ago

write a word trouble that deserve to be solved by ordering three decimals to thousandths. Encompass a solution
geniusboy <140>
Mary, Anne, and also Rose made decision to race their 3 pet snails, Anthony, James, and also Thomas to view which was fastest. Anthony finished in 23.38 minutes. James perfect in 23.65 minutes. Thomas finished in 23.13 minutes. Bespeak the complete times from the very least amount the time to greatest to see which snail was the winner that this really intense and also serious race.23.12, 23.38, 23.65
5 0
6 month ago
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