1. True or False: Let x, y (= Z. If x < y, then x2 < 5y. [Hint: Try some non-positive integers}
2. True or False: Let x,y (= Z. If -21x+3 < -21y+3, then y < x.
for example 8 < 9
8^2 = 64 > 5*9 and not < 45
-21x < -21y
x > y
Observe the inequality is reversed
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?