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Anton [14]
3 years ago
14

Can a polynomial with real coefficients have one real solution and one complex solution?

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

Answer:

No

Step-by-step explanation:

We have to find that a quadratic polynomial equation with real coefficient can have one real solution and one complex solution.

quadratic equation is given by ax^2+bx+c=0 It can be written as the product of linear factors ax^2+bx+c=a(x-r_1)(x-r_2) Where r_1,r_2 are solutions of the given polynomial equation.

Hope it helps! :]

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Choose one of the factors of x^3 + 343
djyliett [7]
I've done this test before 

The factor should be x+7 so, none of the above.

Hope I helped! ( Smiles )
4 0
3 years ago
Please Help?!
alina1380 [7]
<span>The equations that show a direct variation between x and y when solved for y are:

</span><span>A. -10+y=3x-10
B. y=-1/8x
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Since k is constant (the same for every point), we can find k when given any point by dividing the y<span>-coordinate by the </span>x<span>-coordinate. For example, if </span>y varies<span> directly as </span>x , and y<span> = 6 when </span>x<span> = 2 , the constant of </span>variation<span> is k = = 3 . Thus, the equation describing this </span>direct variation<span> is </span>y<span> = 3x .</span>
7 0
4 years ago
Read 2 more answers
To help solve the trigonometric inequality 2sin(x)=&gt;-1, which two equations can be graphed?
soldier1979 [14.2K]

Answer:

B. y=sin(x) and y=-1/2

Step-by-step explanation:

We have been given the following trigonometric inequality;

2sin(x)=>-1

The above inequality can be re-written as;

sin(x)=>-1/2

after dividing both sides by 2.

We can then formulate two separate equations, one containing the expression on the right hand side and the other containing the expression on the left hand side;

From the left hand side we form the following equation;

y = sin(x)

From the right hand side we form the following equation;

y = -1/2

Therefore, the above two equations can be graphed to help solve the given trigonometric inequality

6 0
4 years ago
The volume of a rectangular prism is 2,058 cm squared 3. The length of the prism is three times the width. The height is 14cm. F
Alborosie

Answer:

length is 21 cm

breadth is 7 cm

3 0
3 years ago
Please help I have a D in this class.
maxonik [38]

Answer:

the value of x in terms of b is bx=-13

the value of x when b is 3 is x=-1

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3 years ago
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