[size=150]Noah solved the equation [math]5x^2=45[/math].[/size][br][br]Here are his steps:[br][center][math]5x^2=45[/math][br][math]x^2=9[/math][br][math]x=3[/math][/center][br]Do you agree with Noah? Explain your reasoning.
[math]\sqrt{x+4}+7=5[/math]
[math]\sqrt{47-x}-2=4[/math]
[math]\frac{1}{2}\sqrt{20+x}=5[/math]
[size=150]Which is a solution to the equation [math]\sqrt{5-x}+13=4[/math]?[/size]
Select [b]all [/b]expressions that are equal to [math]\frac{1}{(\sqrt{2})^5}[/math].
Which are the solutions to the equation [math]x^2=36[/math]?
Use the graph to estimate all solutions to the equation [math]x^2=3[/math].
If you square your estimates, what number should they be close to?[br]
Square your estimates. How close did you get to this number?[br]
[size=150]The polynomial function [math]q(x)=3x^3+11x^2-14x-40[/math] has a known factor of [math](3x+5)[/math]. Rewrite [math]q(x)[/math] as the product of linear factors.[/size]