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elena-s [515]
3 years ago
15

Can someone help me understand how to name polynomials??

Mathematics
1 answer:
Serhud [2]3 years ago
8 0

A polynomial can have  

constants

variables

exponents

that can be combined using addition, subtraction, multiplication and division ...

... except ...

... not division by a variable

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Find the estimates of x^2-x-2=3
Julli [10]

Answer:

x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

Step-by-step explanation:

Given

Quadratic equation is

x^2-x-2=3\\x^2-x-5=0

Roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\

So, for the given equation roots are

x=\frac{1\pm\sqrt{(-1)^2-4(1)(-5)}}{2\cdot 1}\\x=\frac{1\pm\sqrt{21}}{2}\\so, x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

5 0
3 years ago
The relationship between sets of rational numbers is pictured below
REY [17]

The correct answer is G. Integers include whole numbers and natural numbers.

Explanation:

The graph presented shows the relationship between different sets of numbers. In this graph, the second most general category is integers, and this covers or includes two smaller categories which are whole numbers and natural numbers. This means the whole and natural numbers are part of integers.

Indeed, integers include numbers such as 10, 256, or -6 because these can be expressed without using fractions or decimals. Also, this category includes whole or non-decimal numbers, as well as natural numbers, which are positive whole numbers such as 36 or 1546. According to this, the correct answer is G.

6 0
3 years ago
What is the value of x? 140 34 56
olga55 [171]
I don’t know what you’re tying to say
3 0
3 years ago
The GCF of 28x^3 and 16x^2y^2
masya89 [10]
I think the greatest common factor is 4
6 0
3 years ago
Read 2 more answers
In triangle ABC angle C 105° B 45° BD median of triangle ABC find the angle bdc
antiseptic1488 [7]

Answer:

30

Step-by-step explanation:

105 + 45 +  bdc = 180

bdc=30

8 0
1 year ago
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