Try our Free Online Math Solver!

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 trinomial b. 20w^{2}; quadratic monomial c. 5w^{3} w^{2}4w; cubic trinomial d. 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 