# Math Chapter 6 Quizzes

** Multiple Choice
**Identify the letter of the choice that best completes the statement or
answers the question.

I . Classify -
3x^{5} - 2x^{3} 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. 5w^{5} -w^{4} - 4w^{3}; quintic trinomialb. 20w ^{2}; quadratic monomialc. 5w ^{3} -w^{2}-4w; cubic trinomiald. 5w ^{4} -w^{3} - 4w^{2}; 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.lx^{2} - 30.4x + 28.7;74l,600llamas

b, L(x) = 0.5x^{3} - 0.6x^{2}+ 0.3.x+ 0.2;563,2A0llamas

c. L(x) = 0.5x^{3}:+ 0.6x^{2}+ 0.3x+ 0.2;741,600llamas

d. L(x) = 8.lx^{2} - 30.4x + 28.7;563,200llamas

4 Write 4x^{3} + 8x^{2} -
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.

Prev | Next |