What is the principal square root of 625?

• $\sqrt{625}$

• 25

• $\pm25$

• -25

In a direct variation relationship, as one variable increases, the other variable__________.

• decreases

• remains

• increases

• becomes positive

What do we call n in the given?

• radical symbol

• radical

• radicand

• index

What is the highest degree in the variable in a quadratic equation?

• 2

• 3

• 4

• 0

Which law of radicals is illustrated?

• First

• Second

• Third

• Fourth

This symbol stands for?

 $\ge$  

• greater than

• less than

• greater than or equal to

• less than or equal to

Solve the quadratic equation:

• x = 2, x = -5

• x = -2, x = 5

• x = -2, x = -5

• x = 2, x = 5

Find the constant variation in the inverse variation:

y = 4 when x = 3

• $\frac{4}{3}$

• $\frac{3}{4}$

• 4

• 12

Find the sum:

 $\sqrt{25}+\sqrt{50}$  

•  $10\sqrt{2}$  

•  $\sqrt{75}$  

•  $5+5\sqrt{2}$  

•  $25\sqrt{2}$  

Arrange the quadratic equation in standard form:

 $3x^2=12-10x$  

•  $3x^2-10x=12$  
  

•  $3x^2+10x=12$  

• 
   $3x^2+10x-12=0$  

•  $3x^2-10x+12=0$