What are the disadvantages to solving a quadratic equation by factoring

Answers

Answer 1

Answer:

Answer:

-factoring may not work; for instance, factoring will not find solutions that are not integers.

-very difficult to use on any quadratic that doesn't have extremely easy numbers. In most cases, factoring will only be simple if the answers are integers or commonly used fractions.

hope this helps :)

200

Step-by-step explanation:

The square of the sum of the first five positive integers:

(1 + 2 + 3 + 4 + 5)² = 15² = 225

The sum of the first positive perfect square:

1² + 2² + 3² + 4² + 5² = 1 + 4 + 9 + 16 + 25 = 55

225 - 55 = 200

Factor out the coefficient of the variable: 1/2a - 1/2

Answers

1/2 a - 1/2
= 1/2 (a -1)

The final answer is 1/2 (a-1).

Hope this helps~

Write two expressions where the solution is 41.

Answers

31 +10
21 + 20
23 + 18

21+20
31+10
just add 21 and 20
and just add 31 and 10 and youll have your 2 expressions

The ratio of boys to girls in homeroom is 2:3. If there are 8 boys , how many girls are there?

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2 8
- = - X=12 I hope this helps!
3 X

0.45833333333 as a fraction

Answers

That decimal is equivalent to

45,833,333,333 / 100,000,000,000 .

If the numerator and denominator have any common factor,
then the fraction can be simplified. But I doubt it.

Final answer:

The decimal number 0.45833333333 is equivalent to the fraction 11/27. We arrived at this answer by setting up an equation with the decimal as an unknown, then manipulating and solving the equation to find its equivalent fraction form.

Explanation:

The decimal number 0.45833333333 represents a recurring decimal where '58333' repeats itself infinitely. To convert recurring decimals into fractions, we can use a method involving algebra.

Let's represent 0.45833333333 as 'x'. We can express 'x' in the form of 0.45833... = x. Then, multiply both sides of the equation by 10 to the power of a number of repeating digits (which is 5 in this case): 10^5*x = 45833.33333...

Now, subtract the original equation from the one after multiplication, we get 99999x = 45833. Then, solve for 'x', x = 45833/99999. Simplifying this fraction gives us x = 11/27.

Therefore, 0.45833333333 as a fraction is 11/27.