Which of the following algebraic equations could represent the sentence, "The product of a number and five is 11"?
2 answers:
Answer: last option.
Step-by-step explanation:
You need to remember that a product is the result obtained by multplying the factors.
For example, in the following multiplication, the number 110 is the product and this is obtained by multiplying the factors 10 and 11:
Then, being 11 the product, then you can know that:
"x" is a factor and 5 is the other factor.
Therefore, the algebraic equation that could represent the sentence "The product of a number and five is 11", is:
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Answer:
Step-by-step explanation:
You have the following quadratic equation given in the problem:
You must make the equation equal to zero, as following:
Add like terms:
Now, to factor the equation, you must find two numbers whose sum is -2 and whose product is -15. Therefore, you have: