What is the value of y so that the ordered pair (-2,y) is a solution to the equation 8x + =32 ?
1 answer:
You might be interested in
Answer:
Explanation:
You are comparing irrational numbers.
By inspection, i.e. at first sight you can only compare because they have the same radicand.
You can order:
You can introduce the 2 inside the radical by squaring it:
Since 5 is between 3 and 12, you can order:
Which is:
You must know that π ≈ 3.14.
5 is less than 9 and the square root of 9 is 3; hence, and
Now you must determine whether π is less than or greater than
Using a calculator or probing numbers between 3 and 4 you get
Hence, the complete order is: