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ahrayia [7]
3 years ago
5

Polygon ABC D is dilated rotated and translated to form polygon a’b’c’d’. the endpoints of a AB are at zero and -7 and eight and

eight in the endpoints of a’b’ are at six and -6 and two and 1.5 what is the scale factor of the dilation
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
8 0

Answer: did you get the answer to this one already?

Step-by-step explanation: have a good day okay yup yup

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Find a polynomial function of least degree having only real coefficients, a leading coefficient of 1, and roots of 2-√6 , 2+ √6
horsena [70]

Answer:

x^{4} -18x^{3}+104x^{2} -172x-100

Step-by-step explanation:

The 3 roots are given out of which 2 are real and 1 is imaginary. For a polynomial of least degree having real coefficients, it must have a complex conjugate root as the 4th root. Therefore, based on 4 roots, the least degree of polynomial will be 4. Finding the polynomial having leading coefficient=1 and solving it based on multiplication of 2 quadratic polynomials, we get:  

\\\\x_{1} = 2-\sqrt{6} \\x_{2} = 2+\sqrt{6} \\x_{3}=7-i \\x_{4}=7+i \\\\P(x)=1(x-x_{1})(x-x_{2} )(x-x_{3} )(x-x_{4} ) \\\\=(x-(2-\sqrt{6}))(  x-(2+\sqrt{6} )) (x-(7-i))( x-(7+i))\\=((x-2)+\sqrt{6})( ( x-2)-\sqrt{6} ) ((x-7)+i)( (x-7)-i)\\=((x-2)^{2} -(\sqrt{6} )^{2} )((x-7)^{2}-(i)^{2})\\=(x^{2} -4x-2)(x^{2} -14x+50)\\=x^{4} -18x^{3}+104x^{2} -172x-100\\

7 0
2 years ago
​ 5\times 100+4\times 10+6\times 1+2\times \left(\frac{1}{10}\right)+8\times \left(\frac{1}{1000}\right)5×100+4×10+6×1+2×(
adell [148]

Answer:could you make it more clear

Step-by-step explanation:

I don’t understand

8 0
2 years ago
Please help me with this question<br><br> i’ve tried 2, 4, 8, -8, 0 and none of those answers worked
Airida [17]

Answer:

1

Step-by-step explanation:

If the x-value is -4, go to -4 and go up to the line.

1

3 0
3 years ago
Determine whether the systems have one solution, no solution, or infinitely many solutions 5-y=2-y+3
tiny-mole [99]

Answer:First system: no solution

Second system: one solution

Third system: one solution

Fourth system: infinite solutions

Fifth system: no solution

Step-by-step explanation:

4 0
2 years ago
Sarah bought 18 eggs from the store. How maany dozen eggs does she buy?
marishachu [46]

Answer:

Sarah brought 1 and 1/2.

Step-by-step explanation:

18 divided by 12= 1 r 6

write the remainder as the numerator over the original denominator you can also make the fraction simple.

1  and 6/12

1 and 1/2

3 0
3 years ago
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