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melamori03 [73]
2 years ago
12

I need help determining how many roots

Mathematics
1 answer:
statuscvo [17]2 years ago
4 0

By graphing the polynomial, we conclude that there is only one real root, so the correct option is A.

<h3>How many roots has the given polynomial?</h3>

We have the polynomial:

y = -3x^2 + 12x - 12

To see how many real roots this polynomial has, we can graph it and see how many times the graph intercepts the x-axis.

The graph can be seen below:

There we can see that there is only one intercept, so there is only one real root.

So the correct option is A.

If you want to learn more about polynomials:

brainly.com/question/4142886

#SPJ1

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-3/6-5/7

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weston’s car drives 28 miles per gallon of gas. write an equation to represent the relationship between miles driven (y) and gal
masha68 [24]

An equation to represent the relationship between miles driven (y) and gallons of gas (x) used is 28=ky

  • Let the miles driven be y.
  • Let the gallons of gas be x.

<u>Given the following data:</u>

Distance = 28 miles

To write an equation to represent the relationship between miles driven (y) and gallons of gas (x) used:

<h3>How to solve a word problem.</h3>

In this exercise, we would assign a variable to the parameters stated in the question in order to write an equation to represent the relationship between miles driven (y) and gallons of gas (x) used by Weston’s car during the trip.

Also, the amount of gas used up by a car is <u>directly proportional</u> to the distance traveled by the car. Mathematically, this is given by this expression:

x\; \alpha \;y\\&#10;\\&#10;x=ky

Substituting the given parameters into the formula, we have;

28=ky

<u>Note:</u> k is the constant of proportionality.

Read more on direct proportion here: brainly.com/question/12931911

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2 years ago
Represent and shade AUB in venn-diagram​
GrogVix [38]

Answer:

The union of A and B is the set of all those elements which belong either to A or to B or both A and B. Now we will use the notation A U B (which is read as 'A union B') to denote the union of set A and set B. Thus, A U B = {x : x ∈ A or x ∈ B}.

8 0
3 years ago
Sahil got 28 questions right on the math test. Angelina got 7 more wrong answers than Sahil. There where 40 questions on the tes
Mariana [72]
[A+7= 28] is the correct equation I believe, though I may be wrong.
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3 years ago
Read 2 more answers
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