I need help determining how many roots
1 answer:
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:
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.
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An equation to represent the relationship between miles driven (y) and gallons of gas (x) used is
- 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:
Substituting the given parameters into the formula, we have;
<u>Note:</u> k is the constant of proportionality.
Read more on direct proportion here: brainly.com/question/12931911