# Evaluating Polynomials Exercises

### Example 1

What's the value of 5*x*^{2} – 3*x* – 4 when *x* = -1?

### Example 2

What's the value of *x*^{4} – 16 when *x* = 2?

### Example 3

What's the value of 3*x*^{3} + 4*x*^{2} – 5 when *x* = -3?

### Example 4

Evaluate 3*xy* + 2*xy*^{2} – *xy*^{4} for *x* = 3 and *y* = -2.

### Example 5

Evaluate 4*x* + 3*y* – *xy* + 2*x*^{2}*y* for *x* = -1 and *y* = -1.