Non-Linear Equations One Variable

Solve by factoring: 81x² - 25 = 0

• x= 5/9, -5/9

• x= -5/9, -5/9

• x= 5/9, 5/9

• x= 9/5, -9/5

Don't forget to put the equation in standard form. What can we use to find solutions to quadratics?

• A

• B

• C

• D

Select the answers for the following equation:

x² -5x = 36

• 4 and -9

• -4 and 9

• 3 and -12

• -3 and 12

• 6

Solve

• n = 0

• n = 3

• n = −7

• n = 0,  n = 3

Solve and check for extraneous solutions

• x= - 3 &x= -8

• x= -3 & -8 is extraneous 

• No Solution

• x= -8 & -3 is extraneous 

• 13/5

• -13/5

• 5/13

• -5/13

Solve for v

• v = - 7/6

• v = - 9/5

• v = 9/5

• v = -3

Solve for v

Solve!

• x = 2

• x = 0.5

• x = -2

• x= 5

Solve - checking for extraneous solutions.

• 3

• 4

• -4

• 4, -11/4