Absolute Value

Select all possible values of p.

• -5

• 13

• 5

• -13

Select all possible values of k.

• -4

• -6

• 4

• 6

Select all possible values of r.

• 5

• -4

• -5

• 4

Select all possible values of m.

• -21

• 27

• 21

• -27

Select all possible values of x.

• -2

• 7

• 2

• -7

What is the first step to solve an absolute value equation?

• Isolate the absolute value expression

• Create two cases (equations)

• Solve the two equations

• Check for extraneous solutions

What is the second step to solve an absolute value equation?

• Isolate the absolute value expression

• Create two cases (equations)

• Solve the two equations

• Check for extraneous solutions

What is the third step to solve an absolute value equation?

• Isolate the absolute value expression

• Create two cases (equations)

• Solve the two equations

• Check for extraneous solutions

What is the fourth step to solve an absolute value equation?

• Isolate the absolute value expression

• Create two cases (equations)

• Solve the two equations

• Check for extraneous solutions

What is an extraneous solution?

• A solution that does not work in the original equation

• A solution from another planet

• The result of setting an absolute value expression equal to a negative number

• The square root of a negative number

Tags

CCSS.HSA.REI.A.2