Maths-
General
Easy
Question
Is the given conjecture correct? Provide arguments to support your answer.
The product of any two consecutive even numbers is 1 less than a perfect square
Hint:
Inductive Reasoning is the process of drawing a general conclusion by observing a pattern based on the observations and this conclusion is called conjecture.
Deductive reasoning is the process by which a person makes conclusions based on previously known facts.
The correct answer is: even numbers.
Let the even number be 2n. Its consecutive even number will be 2n+2
Finding the product of 2n and (2n+2)
2n(2n+2) = 2n(2n) + 2n(2)
2n(2n+2) = 4n2 + 4n
The given conjecture is “The product of any two consecutive even numbers is 1 less than a perfect square”
So, add 1 to 4n2 + 4n
4n2 + 4n +1 = (2n)2 + 2(2n)(1) + 12
= (2n + 1)2
So, we can see that the perfect square of 2n+1 is 4n2 + 4n +1 and 1 less than 4n2 + 4n +1 is a product of any two consecutive even numbers.
Final Answer:
Hence, the given conjecture is right and we have proved it by Deductive reasoning.
The given conjecture is “The product of any two consecutive even numbers is 1 less than a perfect square”
So, we can see that the perfect square of 2n+1 is 4n2 + 4n +1 and 1 less than 4n2 + 4n +1 is a product of any two consecutive even numbers.
Final Answer:
Hence, the given conjecture is right and we have proved it by Deductive reasoning.
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points. In the final round, school A starts with 165 points and gives the same number
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points. In the final round, school A starts with 165 points and gives the same number
of correct and incorrect answers. School B starts with 65 points and gives no incorrect answers and the same number of correct answers as school A. The game ends with the two schools tied.
i)Which equation models the scoring in the final round and the outcome of the contest
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¶ Different Types of Variables
¶Dependent Variables: The variables whose values are determined by another variable's quantity.
¶Unrelated Variables: The values of an independent variable in an algebraic equation are unaffected by changes. Suppose an algebraic equation has two variables, x and y, and each x value is related to any other y value. In that case, x is an independent variable, and y is a dependent variable.
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