Algebra 2 Solving Square Root and Other Radical Equations

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4

• 16

• 64

• - 16

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

• 4

• 2

• 8

• 20

A rational number with a square root that is a rational number.

• perfect cube

• perfect square

• radicand

• elimination

The nonnegative square root of a number.

• principal square root

• square root

• perfect square

• perfect cube

The value inside the radical symbol.

The value you want to take the root of.

• radicand

• root

• exponent

• scientific notation

The extraneous solution of the equation is...

• −5

• −8

• −10

• −4

This equation has...

• two positive solutions

• one positive solution and one negative extraneous solution

• one positive solution and one negative solution

• one negative solution and one negative extraneous solution

This equation has...

• two positive solutions

• one positive solution and one negative extraneous solution

• one positive solution and one negative solution

• two negative solutions

The solution of the equation is between...

• −50 and −40

• −20 and −10

• −30 and −20

• −40 and −30

The solution of the equation is between...

• −50 and −40

• −20 and −10

• −30 and −20

• −40 and −30