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professor190 [17]
3 years ago
11

If synthetic division reveals a zero, why should we try that value again as a possible solution?

Mathematics
2 answers:
9966 [12]3 years ago
6 0
Polynomials can have double roots, in fact they're pretty common. if you get a reasonable zero it costs very little time to try it again for a double root. answer is the second choice
Pachacha [2.7K]3 years ago
3 0

Answer:

The correct option is:

Polynomial functions can have repeated zeros, so the fact that a number is a zero doesn't preclude it being a zero again.

Step-by-step explanation:

As we know that if we get a zero of a polynomial than that particular zero could also be a zero of multiplicity greater than one or in short we can say that it is a repeated zero of the polynomial.

<em>Hence, in order to check that it is a repeated zero we factorize the polynomial and see that it is a zero of the other factor or not if it is a zero of the other factor then we will say that the zero is a repeated zero of the polynomial.</em>

<em />

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The shortest route from London to Liverpool is 210 miles. A lorry is expected to take 3.5 hours to travel this route. The lorry
AURORKA [14]

Answer:

72 mph

Step-by-step explanation:

<em>Please give brainliest</em>

You have distance =210 miles

Increase it by 20%

210+(210*0.2) = 252 miles I wrote 0.2 instead of writing 20%/100% hope you understand.

The new route is 252 miles

Time travelled = 3.5 hours

Speed=distance/time

Speed = 252/3.5 = 72 mph

8 0
3 years ago
Consider a function f(x) such that f(5x) =x-5/5x-1. Find f(x) and hence write down the domain of f(x).
nasty-shy [4]

Answer:

f(x) = \frac{x - 25}{5x - 5}

Domain: x \ne 1

Step-by-step explanation:

Given

f(5x) = \frac{x - 5}{5x - 1}

Required

Determine f(x) and its domain

To determine f(x), we replace 5x with x in f(5x)

So, we have:

f(5x) = \frac{\frac{5x}{5} - 5}{5x - 1}

f(x) = \frac{\frac{x}{5} - 5}{x - 1}

Take LCM

f(x) = \frac{\frac{x - 25}{5}}{x - 1}

f(x) = \frac{x - 25}{5} * \frac{1}{x-1}

f(x) = \frac{x - 25}{5x - 5}

To get the domain, we set the denominator as

5x - 5 \ne 0

5x \ne 5

x \ne 1

4 0
3 years ago
Help out <br><br><br><br> Aaaaaaaañññña
frez [133]

Answer:

The answer is 5.5

Step-by-step explanation:

+11-1/2 = +×– = += 5.5

6 0
2 years ago
The imposition of an integer restriction is necessary for models where:
Elena L [17]

Answer: goodluck i just needed points sorry :(

Step-by-step explanation:

idk sorry

5 0
3 years ago
2 ÷ 4⁄5 no work needed
kodGreya [7K]
The answer to this question is :
2 1/2
7 0
3 years ago
Read 2 more answers
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