Question

Which symbol creates a true sentence when x equals 8?

7^2 + (x - 4)^2 ___ 55

a) <
b) >
c) =

Answer 1

To solve this equation, first replace x with its value, 8. Find 7^2 (49) and 8-4 (4). Then find 4^2 (16), and add 49 and 16 together, which is 65. Because 65 is greater than 55 by 10, the correct answer is b.

Answer 2

Answer: It would be >

because 7^2 + (8 - 4)^2 equals 65