Assume all variables are positive. In simplest radical form, what is $\sqrt{28x^9}$?

The variable x may be any real number. In simplest form, what is $\sqrt{4x^6}$?

Assume all variables are positive. In simplest radical form, what is the cube root of $24x^7$?

The variable x may be any real number. In simplest form, what is $\sqrt{25x^6}$?

A student wrote the cube root of $125x^{12}$ as $5x^{12}$. What is wrong?

A student wrote $\sqrt{x^2+16}=x+4$. Assuming x is positive, what is wrong?

The variable x may be any real number. In simplest form, what is $\sqrt{81x^{10}}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{52x^3}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{117x^7}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{375x^3}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{245x^4}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{20x^9}$?

A student wrote $\sqrt{x^2+36}=x+6$. For positive x, how does $\sqrt{x^2+36}$ actually compare with x + 6?

Assume all variables are positive. In simplest radical form, what is the fourth root of $176x^5$?

Assume all variables are positive. In simplest radical form, what is the cube root of $297x^5$?

The variable x may be any real number. In simplest form, what is $\sqrt{121x^2}$?

A student wrote the cube root of $64x^9$ as $4x^9$. What is the correct simplified form?

Assume all variables are positive. In simplest radical form, what is the cube root of $189x^5$?

The variable x may be any real number. In simplest form, what is $\sqrt{16x^2}$?

Assume all variables are positive. In simplest radical form, what is the fourth root of $176x^7$?

Assume all variables are positive. In simplest radical form, what is the cube root of $40x^{10}$?

Assume all variables are positive. In simplest radical form, what is the cube root of $40x^4$?

Assume all variables are positive. In simplest radical form, what is the cube root of $80x^7$?

The variable x may be any real number. In simplest form, what is $\sqrt{25x^2}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{18x^3}$?

A student wrote $\sqrt{x^2+49}=x+7$, which is wrong. Assuming x is positive, which expression really does equal x + 7?

The variable x may be any real number. In simplest form, what is $\sqrt{64x^2}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{52x^5}$?

A student wrote the cube root of $8x^{12}$ as $2x^{12}$. Which calculation shows the answer is wrong?

Assume all variables are positive. In simplest radical form, what is the cube root of $48x^5$?

Assuming x is positive, which expression simplifies to 10x?

Assume x is positive. In simplest radical form, what is $\sqrt{64x^2+64}$?

The variable x may be any real number. In simplest form, what is $\sqrt{16x^{10}}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{8x^8}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{208x^4}$?

Assume all variables are positive. In simplest radical form, what is the cube root of $48x^{10}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{108x^6}$?

Assume all variables are positive. In simplest radical form, what is $\sqrt{350x^6}$?

A student wrote the cube root of $125x^6$ as $5x^6$. Writing the cube root as a 1/3 power, which step gives the correct x part?

A student wrote $\sqrt{x^2+9}=x+3$. To test it, the student tries x = 4. What is the true value of $\sqrt{x^2+9}$ when x = 4?