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luda_lava [24]
3 years ago
11

Arrange the following terms into appropriate categories? Please help me​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

Answer:

Real:

  • 23
  • 1/3
  • cube root of -27
  • sq root of 8
  • cube root of 64
  • 5.6
  • 80%
  • -3/7
  • 0

Imaginary:

  • sq root of -4
  • -5i
  • 17i
  • 2/5i

Complex:

  • -5.7 - 4i
  • 2/5 - 5/8i
  • 2 + 3i
  • -1.5 + 17i

Step-by-step explanation:

A real number is a number that exists in real life.

An imaginary number is a number that doesn't exist, hence it has the letter i in it.

A complex number consists of a real number and an imaginary number.

If you would like more help in math or other subjects for FREE, check out growthinyouth.org.

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Solve x²+5x+6=0 by completing the square​
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Answer:

x = -2

x= -3

Step-by-step explanation:

x 2+5x+6=0

To solve the equation, factor x^2+5x+6 using formula x^2+(a+b)x+ab=(x+a)(x+b). To find a and b, set up a system to be solved.

a+b=5

ab=6

Since ab is positive, a and b have the same sign. Since a+b is positive, a and b are both positive. List all such integer pairs that give product 6.

1,6

2,3

Calculate the sum for each pair.

1+6=7

2+3=5

The solution is the pair that gives sum 5.

a=2

b=3

Rewrite factored expression (x+a)(x+b) using the obtained values.

(x+2)(x+3)

To find equation solutions, solve x+2=0 and x+3=0.

x=−2

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4 0
3 years ago
If B is the midpoint of AC, AC= CD, AB=3x+4, AC= 11x-17, and CE= 49 , find DE
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Answer:

Ehhh

Step-by-step explanation:

4 0
3 years ago
Divide 2/3 by 5<br><br> 2/15<br> 7 1/2<br> 3/10<br> 3 1/3
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7.5 is the answer for this questio
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Answer to the question is..

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3 years ago
If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(-2)?
Shkiper50 [21]

Answer:

68

Step-by-step explanation:

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3 years ago
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