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AfilCa [17]
3 years ago
8

Hi, i need to calculate roots x1 and x2 using the vieta theorem, can anyone help me? I have found the answer for x1 and x2, its

1,5 and 2, all i need is a solution on how to get this answer, the equation is in the picture, will give you brainliest if you type down the correct solution for me, thanks.

Mathematics
1 answer:
stellarik [79]3 years ago
7 0

Answer:

Solution given:

-2x²+7x-6=0

2x²-7x+6=0

Comparing above equation with ax²+bx+c

we get

a=2

b=-7

c=6

By using Vieta's theorem

X1+X2=\frac{-b}{a}=\frac{7}{2}

again

X1X2=\frac{c}{a}=\frac{6}{2}=3

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Answer:

  6 cm

Step-by-step explanation:

If the original side length is x, then the modified square has an area of ...

  A = LW

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  36 = x^2 . . . . . . . . add 4

  6 = x . . . . . . . . . . take the square root

The original figure has a side length of 6 cm.

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<em>Check</em>

The modified figure is 8 cm by 4 cm = 32 cm^2.

8 0
2 years ago
Is (-6,7) a solution to this system of inequalities? <br> Y&gt; -x + 1<br> Y &gt; 1/3x -9
Firlakuza [10]
I got 6 and -7 when I did this problem, maybe you made a mistake or maybe I did. But you are on the right track
4 0
3 years ago
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Dominik [7]

Answer:

The Least Common Denominator of 3/4, 4/5 and 2/3

Would be,

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<em><u>Hence</u></em><em><u>,</u></em>

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3 0
3 years ago
8. Calculate the amount of simple interest on $15,500 for 4 years at
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Answer:

SI=PTR/100

SI=15500*4*6.5/100

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3 0
3 years ago
While riding her bike to the ocean and back home 55 times, kimberly timed herself at 48min48⁢min, 48min48⁢min, 49min49⁢min, 46mi
Vsevolod [243]
Total of 5 times = 48 + 48 + 49 + 46 + 64 = 255 mins

Goal:
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Answer: She needs to attain 63 mins for her 6th ride.




3 0
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