Math Chapter 6 Quizzes
Multiple Choice
Identify the letter of the choice that best completes the statement or
answers the question.
I . Classify -
3x5 - 2x3 by degree and by number of terms.
a. quintic binomial
b. quartic binomial
c. quintic trinomial
d. quartic trinomial
2. Zach wrote the
formula w (w - 1)(5w + 4) for the volume of a rectangular prism he is designing,
with width w,
which is always has a positive value greater than 1. Find the product and then
classify this polynomial by
degree and by number of terms .
| a. 5w5 -w4 - 4w3; quintic trinomial b. 20w2; quadratic monomial c. 5w3 -w2-4w; cubic trinomial d. 5w4 -w3 - 4w2; quartic trinomial |
 |
3. The table shows the
number of llamas born on llama ranches worldwide since 1 988. Find a cubic
function to
model the data and use it to estimate the number of births in 1999.
| Years since 1988 | 1 | 3 | 5 | 7 | 9 |
| Llamas born (in thousands) | 1.6 | 20 | 79.2 | 203.2 | 416 |
a. L(x) = 8.lx2 - 30.4x + 28.7;74l,600llamas
b, L(x) = 0.5x3 - 0.6x2+ 0.3.x+ 0.2;563,2A0llamas
c. L(x) = 0.5x3:+ 0.6x2+ 0.3x+ 0.2;741,600llamas
d. L(x) = 8.lx2 - 30.4x + 28.7;563,200llamas
4 Write 4x3 + 8x2 -
96x in factored form.
5 Find the zeros of y =
x(x - 3)(x - 2). Then graph the equation.
6. Find the zeros of f (x) = (r + 3)2(r -
5)6 and state the multiplicity.
a. 2, multiplicity -3; 5, multiplicity 6
b. -3, multiplicity 2;6, multiplicity 5
c. -3, multiplieity 2;5, multiplicity 6
d. 2, multiplicrty - 3; 6, multiplicity5
7 Divide3
by x+3.
Divide using synthetic division.
1. Zach wrote the formula w (w - l)(5w + 4)
for the volume of a rectangular prism he is designing, with width w,
which is always has a positive value greater than1 .Find the product and
then classify this polynomial by
degree and by number of terms.
a. 
quintic trinomial .
b. 
c.
d.
2.
3. Use a graphing
calculator to determine which type of model best fits the values in the table.
a. quadratic model
b. cubic model
c. linear model
d. none of these
4.Use a graphing
calculator to find a polynomial function to model the data.
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| flx) | 12 | 4 | 5 | 13 | 9 | 16 | 19 | 16 | 24 | 43 |
5. Write the. expression (x +6 )(x -
4) as a polynomial in standard form.
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