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Eddi Din [679]
3 years ago
12

Create a polynomial that is added to 5x2 + 6x + 9 to get 7x2 + 9x + 14.

Mathematics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Subtract first from second

= 2x^2 + 3x + 5

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Solve this equations for all real solutions 3t^2+4t+8=-6t
ra1l [238]

Answer:

t= -1.33 recurring and -2

Step-by-step explanation:

3t²+4t+8=-6t

3t²+4t+6t+8

3t²+10t+8

This is a quadratic equation, it can be solved by using either factorisation, completing the square method or formulae method. For the purpose of this question, I would be using the formulae method.

-b±√(b²-4ac)/2a

Where a=3, b= 10 and c=8

-10±√(10²-4(3)(8))/2(3)

-10±√(100-96)/6

(-10±√4)/6

(-10±2)/6

-10+2/6 or -10-2/6

-8/6 or -12/6

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8 0
3 years ago
Choose the best definition for the following phrase: combining like terms
makvit [3.9K]
I'm assuming you are talking about polynomials.

For example, I have x^2 + 2x + 1, and I want to add 2x^2 + x + 2

Then the like terms here are:

x^2 and 2x^2,  2x and x, 1 and 2, they are quadratic, linear and constant, respectively.
3 0
3 years ago
5x+8-7x=-4x+1 How many solutions does this have? A)no solutions B)exactly one solution C)infinitely many solutions
koban [17]

Answer:

C)infinitely many solutions

Step-by-step explanation:

5x+8-7x=-4x+1\\-2x+8=-4x+1\\2x+8=1\\2x=-7\\x=-3.5

4 0
3 years ago
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10.222 in a fraction
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Solve log2 x = log5 3+1 by graphing. round to the nearest tenth
Ket [755]

Answer:

17

Step-by-step explanation:

6 0
3 years ago
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