91影视

Explain why an equation of the form $\sqrt{\mathbf{x}}\mathbf{+}\mathbf{1}\mathbf{=}\mathbf{0}$has no solution.

(a) Solve the equation $\sqrt{\mathbf{r}\mathbf{+}\mathbf{4}}-\mathit{r}\mathbf{+}\mathbf{2}\mathbf{}\mathbf{=}\mathbf{0}$

(b) Explain why one of the 鈥渟olutions鈥� that was found was not actually a solution to the equation.

Simplify:

a) $\sqrt[3]{216}$

b) $\sqrt[4]{256}$

c)$\sqrt[5]{32}$

Simplify:

a) $\sqrt[3]{27}$

b) $\sqrt[4]{16}$

c)$\sqrt[5]{243}$

Simplify:

a) $\sqrt[3]{512}$

b) $\sqrt[4]{81}$

c)$\sqrt[5]{1}$

Simplify:

a)$\sqrt[3]{125}$

b)$\sqrt[4]{1296}$

c)role="math" localid="1650561443451" $\sqrt[5]{1024}$

Simplify:

a) $\sqrt[3]{-8}$

b) $\sqrt[4]{-81}$

c)$\sqrt[5]{-32}$

Simplify:

(a) $\sqrt[3]{-64}$

(b) $\sqrt[4]{-16}$

(c)$\sqrt[5]{-243}$

Simplify:

(a) $\sqrt[3]{-125}$

(b) $\sqrt[4]{-1296}$

(c)role="math" localid="1650564278430" $\sqrt[5]{-1024}$

Simplify:

(a) $\sqrt[3]{-512}$

(b)role="math" localid="1650565978180" $\sqrt[4]{-81}$

(c) role="math" localid="1650565987001" $\sqrt[5]{-1}$