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Degger [83]
3 years ago
11

Which of the following are possible rational roots of the polynomial function f(x)=5x^2-3x+3

Mathematics
2 answers:
yanalaym [24]3 years ago
7 0

You didn't post any option, but the ration roots theorem states that all possible rational roots of a polynomial come in the form

\pm\dfrac{p}{q}

where p divides the constant term and q divides the leading term of the polynomial. So, in your case, p divides 3 (i.e. it is 1 or 3), and q divides 5 (i.e. it is 1 or 5).

So, the possible roots are

\pm 1,\quad \pm 3,\quad \pm\dfrac{1}{5},\quad \pm\dfrac{3}{5}

For the record, this parabola has no real roots.

lapo4ka [179]3 years ago
6 0

Answer:

Step-by-step explanation:

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Happy New Year from MrBillDoesMath!

Answer:

Proof by ASA congruence postulate. See below

Discussion:

  Fact 1 :     angle A = angle T             (given)

  Fact 2:    The angles on both sides of point X are equal as vertical angles

                 are equal.

From these facts it follows that angle M = angle H (as all plane triangles have 180 degrees). Also  AM = TH  (given) so

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8 0
3 years ago
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Natalija [7]
For question 1)
During the 8-9 , Mr hare travel 40miles
For the time 9 onwards they travel concurrently,
Let x be the distance covered by both since they can only meet if they covered the sams distance,
x/50 = x/40 -1 ,where the 1 is the (8-9) 1 hr
x/40 - x/50 = 1
x = 200
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during 8- 9 hare travelled 50miles
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x/55= x/50-1
x/50-x/55=1
x=550miles
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ie when they first meet it will be 7pm
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