What is a trinomial in a problem

1 answer:

3 0

A polynomial with three terms is called a trinomial. Trinomials often but not always! have the form x2 + bx + c. At first glance, it may seem difficult to factor trinomials, but you can take advantage of some interesting mathematical patterns to factor even the most difficult-looking trinomials.

It’s a lot but hopefully I help:)

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Round 2.1 to the nearest whole number.

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Step-by-step explanation:

if the number after the tenth place is greater than 5 it would be rounded up to 3, but since it is less than 5 it would round to 2

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The answer for this answer would be A

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A couple is thinking about having 3 children. Assume that each child is equally likely to be a girl or a boy. What is the probab

nignag [31]

Answer:

O.375

Step-by-step explanation:

We will start with the second part of the question, listing out all of the possible combinations that can occur from this data set. There is a 50/50 chance of having a girl or a boy, and there are three children. For now we'll use B to represent a boy and G for a girl. It goes as follows:

(B, B, B), (B, B, G), (B, G, B), (B, G, B), (B, G, G), (G, B, B), (G, B, G), (G, G, B), (G, G, G)

I often find it easy to write out a branch diagram to help me visualize this problem and make sure I have all possibilities. (See attached image)

Count the total number of combinations (9). Next, count the number that include exactly 2 girls (4). With this information, we now know that there is a 4 out of 9 chance of having exactly 2 girls and one boy. 4/9 is in simplest form, so all you have to do is find the percentage 44.444%

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C or 37.5

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