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Rudik [331]
3 years ago
11

What is the sum of the polynomials?

Mathematics
2 answers:
Marizza181 [45]3 years ago
8 0

-  {x}^{2}  + 9  - 3 {x}^{2}  - 11x + 4 \\  =  - 4 {x}^{2}  - 11x + 13

2nd answer

notka56 [123]3 years ago
4 0

Answer:

Option B. -4x² - 11x + 13

Step-by-step explanation:

Given polynomials are ( -x² + 9 ) and ( -3x² - 11x + 4 )

We have to add them.

( -x² + 9 ) + -3x² - 11x + 4 )

-x² + 9 - 3x² - 11x + 4

Now we will collect similar terms

( -x² - 3x² ) - 11x + ( 9 + 4 )

-4x² - 11x + 13

Therefore, option B is the answer.

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Which of the following functions is graphed below?
denis-greek [22]

The option that is the functions is graphed below is known as option A = Y= (x+4) -2.

<h3>What is the function about?</h3>

The function graphed above is Y=|x+4|-2 because  when you solve for the graphs,  the number in the x-axis is always changed or turned to  the other side and there one can see that it would be -4 would be +4, and +4 and also -4.

Note that

Y = (x+4) -2.

x = (0 + 4) - 2

x = 4-2

x =2

Therefore, plug x into the equation.

Y = (x+4) -2.

= ( 2 + 4) - 2

= (6) -2

= 4

Therefore, The option that is the functions is graphed below is known as option A = Y= (x+4) -2.

See full question in the image attached.

Learn more about functions  from

brainly.com/question/25638609

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5 0
2 years ago
Rewrite in simplest terms: -(2c + 8) + 8c
garik1379 [7]

Answer:

6c-8

Step-by-step explanation:

We have:

-(2c+8)+8c=

-2c-8+8c=\\

6c - 8

6 0
3 years ago
What is the common difference of the arithmetic sequence 1/5, 6/5 , 11/5 ,16/5 , ...?
stepladder [879]
+ 5/5 each time

hope this helps
8 0
3 years ago
Read 2 more answers
What is 0.4% of $100
aksik [14]

0.4% = 0.004

100 * 0.004 = 0.4

4 0
3 years ago
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Which of the following is true of the discriminant for the graph below?
Sonbull [250]

Answer:

<u>Option C. It is zero</u>

Step-by-step explanation:

The graph represents a quadratic equation

The quadratic equation has the form ⇒a x² + b x + c

The discriminant of the quadratic equation is D = b² - 4ac

From the discriminant of the quadratic equation, we can know the type of roots of the quadratic equation.

  1. If D > 0 ⇒ Two real roots.
  2. If D = 0 ⇒ one real roots
  3. If D < 0 ⇒ Two imaginary roots.

The roots of the quadratic equation are the x-intercepts of the function.

As shown at the figure, the quadratic equation has only one point of intersection with the x-axis

So, the function has only one root ⇒ D = 0

So, the discriminant of the quadratic equation = 0

<u>The answer is option C. It is zero</u>

7 0
3 years ago
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