If the square of whole number is between 1600 and 2025, is the whole number between 40 and 45? How do you know?
Yes! Squaring a number means that we multiply it by itself.
40(40) = 1600
45(45) = 2025
500
** MULTIPLE RESPONSES **
Which of the following are solutions for the
following equation?
x - 15 = y
A) x = –5, y = -20
B) x= –5, y = 10
C) x = 30, y = 15
D) x = -30, y = 45