Question
Here is the question : IF Y = 8, WHAT IS THE VALUE OF Y(3 – 8Y + 7 – 15Y)?
Option
Here is the option for the question :
- -1,392
- 2,784
- -4.176
- 5,568
The Answer:
And, the answer for the the question is :
Explanation:
In order to solve this problem, start by substituting the value 8 for each of the y variables, which will give you the equation 8(3 – (8 x 8) + 7 – (15 x 8) as a solution. After you have completed step one, proceed to step two by doing the multiplication within the smaller sets of parentheses to arrive at the answer 8(3 – 64 + 7 – 120). After adding up all of the figures contained between the wider parenthesis, you are left with 8 times 174, which equals -1,392 in total.
In mathematics, expressions are used to represent relationships between different variables. One common type of expression is the polynomial expression, which involves multiple terms that can be combined using mathematical operations such as addition, subtraction, multiplication, and division.
In the expression given, we are asked to evaluate the expression y(3 – 8y + 7 – 15y) when y = 8. To do this, we first need to simplify the expression inside the parentheses. We can do this by combining like terms, which gives us:
3 – 8y + 7 – 15y = 10 – 23y
Now we can substitute y = 8 into this expression to get:
10 – 23(8) = -182
Therefore, the expression y(3 – 8y + 7 – 15y) when y = 8 is equal to -182 times 8, which is equal to -1,392.
Polynomial expressions are used in many areas of mathematics and science, including algebra, calculus, and physics. They are also used in everyday life, such as in calculating areas and volumes of shapes. Understanding the rules of polynomial expressions and how to manipulate them is an important skill in these fields, and is essential for success in many academic and professional careers.
the ability to evaluate polynomial expressions is a fundamental skill in mathematics, and is an important part of developing problem-solving skills. By practicing problems like the one given, students can build their understanding of polynomial expressions and develop the skills they need to succeed in mathematics and beyond.