3 years ago

How is the discrimination related to the quadratic formula

1 answer:

5 0

Discriminant. Discriminant, in mathematics, a parameter of an object or system calculated as an aid to its classification or solution. In the case of a quadratic equation ax2 + bx + c = 0, the discriminant is b2 − 4ac; for a cubic equation x3 + ax2 + bx + c = 0, the discriminant is a2b2 + 18abc − 4b3 − 4a3c − 27c2.

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The cooking club made some pies to sell at a basketball game to raise money for the new math books. The cafeteria contributed tw

Neko [114]

Answer:

Step-by-step explanation:

Each pie was cut into 6 pieces. 6 x 10= 60.

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3 years ago

Suhana's father is a farmer. He deposits Rs.1200 of the remaining amount in the bank at 9% p.a. for 3 yrs

MrRa [10]

Answer:

Given :principle =Rs. 1200

rate of interest =9%

time =3yrs

we know that simple interest =PTR /100

=1200*9*3/100

=Rs. 324

Amount of the farmer will receive at the end of the 3 yrs =principle + interest

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3 years ago

Factor by grouping.(7m + 2)(3m + 5) (7m – 2)(3m – 5) (7m – 2)(3m + 5) (7m + 2)(3m – 5)

Aneli [31]

Answer:

40m

Step-by-step explanation:

(7m+2+3m+5+7m-2+3m-5+7m-2+3m+5+7m+2+3m-5)

40m+0

40m

5 0

3 years ago

Which of the following is equivalent to (x - 2)^2 (x - 2)(x+2) (2-2)(x - 2) (x-2)(x+2)

RSB [31]

Answer:

(x-2)(x-2) or (x+2)(x+2)

Step-by-step explanation:

since you are squaring it, technically the terms are negative, but the product will be positive. when you multiply two negative factors, you get a positive answer. so either both can be negative or both can be positive.

6 0

3 years ago

the amount of rhubarb in the original is 3 1/2 cups using what you know of whole numbers and what you know of fractions explain

LuckyWell [14K]

To triple this number, you can triple the whole number, triple the fraction, then add them together.

3*3=9
1/2*3=3/2 (or 1 1/2)

Add them together.

9+1 1/2= 10 1/2

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3 years ago