5.2-5.3 Extra Practice

Select all the even degree functions.

• A

• B

• C

• D

Which functions have a negative leading coefficient?

• A

• B

• C

• D

Is the leading coefficient positive or negative?

• negative
• positive

Is this function even or odd?

• even
• odd

What is the factored form of a function if it has zeros of 2, 3 and -1?

• (x-2)(x-3)(x+1)
• (x-1)(x-2)(x-3)
• (x-1)(x+2)(x+3)
• (x+1)(x+2)(x+3)

What is the leading coefficient?

• Positive 
• Negative

f(x)=(x+4)(x-3)(x-2)

List the zeros for this function.

• x=-4, x=3, x=-2

• x=-4, x=3, x=2

• x=-4, x=3, x=-2

• x=4, x=3, x=2

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

If a zero of a polynomial function has multiplicity 3 that means:

• The x intercept is at (4, 0)

• The graph will "bounce back" at that zero

• The graph will "pass through" at that zero

• Zeros cannot have multiplicity of 4

f(x)= x²(x – 2)³(x – 7)

Find and select each real zero and its multiplicity

• 0 (Mult of 2), 2 (Mult of 3), 7 (mult 1)

• 2 (Mult of 3), 7 (mult 1)

• 0, 2, 7

• 2 (mult of 2), 7 (mult of 3)