Functions Solving

• x = 5, x = 3

• x = −5, x = −3

• x = 5

• x = −3

Solve by taking the square root.

x² - 140 = -19

• No Real Solution

• x = 11 and -11

• x = 11

• x = 121

What should you do first to solve this quadratic equation? x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

EVALUATE THE FUNCTION

• A

• B

• C

• D

EVALUATE THE FUNCTION

• A

• B

• C

• D

f(x)=x+3
f(x) = -5

• -2

• -1

• -8

• 7

Ms. Jones isn't sure if she solved this logarithmic equation correctly. Check her work to determine if she made any mistakes. If she did make a mistake, determine what it was.

• She did not convert to exponential form correctly.

• She did not distribute the 4 when combining the logs.

• She should have subtracted 2 from both sides instead of adding 2.

• No mistakes were made!

Mrs. Cruise isn't sure if she solved this logarithmic equation correctly. Check her work to determine if she made any mistakes. If she did make a mistake, determine what it was.

• She did not convert to exponential form correctly.

• She should have divided the arguments.

• She used the incorrect base when converting to exponential form.

• No mistakes were made!

• 20.67

• 26.33

• 11

• 27.67