7.11 Warm Up one variable

Evaluate 2n + 3 when n = -4

• 11

• -11

• -5

• 5

 $Simplify\ \frac{-4}{x}\ +\ x$  when x = -1

• -3

• 3

• 5

• -5

• 4

What is 6x - x, when x = -5

• 35

• -35

• -25

• 25

 $Evaluate\ x^2$  + x - 1, when x = -1

• 1

• 3

• -2

• 2

• -1