NameDate

Exponents and Polynomials
Calculators are not permitted

1. Evaluate all the way to a specific number. Do not leave as a mathematical formula:

34 43 25 52 11

2. Evaluate: 3x3 - 2x2 + x - 2, when

  1. when x = -2
  2. when x = 0
  3. when x = 2

3. Reduce these expressions to lowest terms, positive exponents & no parentheses ():

x-2 xy-2 (xy)-2 (x/y)-2 (m-2n3)-5

4. Add these two numbers and express your answer in scientific notation:

4.7 · 105 + 7.4 · 104

5. Add these two polynomials:

(3x4 + 7x2 - 2x - 3) + (2x3 - 5x2 + 6x - 8)

6. Subtract these two polynomials:

(2x3 + 5x2 - 4x - 7) - (3x4 - 3x2 - 7x + 5)

7. Multiply these two binomials: (x - 1) · (x - 2)

8. Multiply these two polynomials:

(x2 - 3x +2) · (x - 3)

9. Extra 2% Credit. Find any value of x so that: x3 - 6x2 + 11x - 6 = 0

10. Extra 3% Credit. Find another value of x for #9

11. Extra 5% Credit. Find a third value of x for #9