Classroom Rules
•Absolutely no talking (unless it’s about math)•Stay in your seat at all times•No bathroom (except for emergencies)
Solving Equation
x2 = 16x = √1�6� = 4Because 4∙4 = 16x = -√1�6� = -4Because (-4)∙(-4) = 16
x2 = 15x = √1�5�
Because √1�5� ∙ √1�5� = 15x = -√1�5�
Because (-√1�5�) ∙ (-√1�5�) = 15
Classroom Rules
•Absolutely no talking (unless it’s about math)•Stay in your seat at all times•No bathroom (except for emergencies)