Radical Equations with problem solving

 $\sqrt{x+2}=4$  , what is the value of x?

• 13

• 14

• 15

• 16

Solve

 $\sqrt{2x-5}+2\ =\ 7$  

• 13

• 14

• 15

• 16

Solve for the equation

 $\sqrt{3x}=6$  

• 9

• 10

• 11

• 12

 $3x-\sqrt{2\ }=\ 7\$  is a radical equation

• True

• False

 $2\sqrt{3x-4}=7\$  is a radical equation

• True

• False

What do you call a root that does not satisfy the equation after the checking?

• deviant root

• extraneous root

• wrong root

• bad root

Solve the equation

 $\sqrt{2x\ }=12$  

• 6

• 142

• 36

• 62

What is the formula used in pythagorean theorem?

• $a\ +\ b\ =\ c$

• $a^2+b^2\ =c$

• $a^2+b^2=c^2$

• $a^2-b^2=c^2$

If I run 6km north, then another 8km east, how far am I now from the starting point?

• 10km

• 12km

• 14km

• 16km

What do you call an equation that involves radical expression and the unknown quantity is at the radicand?

• linear equation

• quadratic equation

• radical equation

• trigonometric equation