Polynomial Algebra

Check all that applies to the graph.

• There is a root at 2

• There is a root at -2

• The graph represent an even degree polynomial

• The graph represent an odd degree polynomial

• There is a root at -4

Factor the following by grouping.

• (3x + 2)(x + 4)

• 3x(x + 2x)(4x +8)

• (x + 2)(3x + 4)

• none of the above

Substitute 3 in for "x" and solve.

• -2

• 2

• -603

• none of the above

Find the potential rational roots and then tell which are the actual roots.

• 
• 
• 
• none of the above

• 
• 
• 
• 

• 
• 
• 
• 

• 
• 
• 
• 

If Kelly used synthetic division to evaluate f(x) ÷ (x-a) that it might look like the following.

Using the Remainder or Factor Theorem, which of the below must be true?

• 
• 
• 
• 

Subtract the polynomials and give the coefficient of the x² in the solution.

• 
• 
• 
•