MULTIPLE CHOICE
What is the degree of the monomial (x3) ?
a) 2 , b) 4 , c) 3 , d) 5
answer: c
Rewrite in standard form. Identify the leading coefficient, degree, and number of terms. Name the polynomial.
-18x2+x3 - 5+2x
answer: leading coeff.: 1
degree: 3
n.b. of terms: 4
name: cubic polynomial with 4 terms
What is the name of the degree 2?
answer: quadratic
Add:
(-36x2+6x - 11)+( 6x2+16x3 - 5)
answer: 16x3 - 30x2+6x - 16
What is the name of the degree 0?
answer: constant
(y-3)(y2 -6 -9)
y3 -9y2+9y+27
What is the leading coefficient of (4x-2x2+2) ?
a) 4 , b) 3 , c) 2 , d) -2
answer: d
Subtract:
(5x3+12+6x2) - (15x2+3x-2)
answer: 5x3 - 9x2 - 3x+14
a2b(2a3b -5ab4)
answer: 2a5b2 - 5a3b5
What is the degree of the monomial 5xy4z ?
a) 6 , b) 1 , c) 4 , d) 5
answer: a
What is the third term of the binomial expansion of (x-4)6 ?
answer: 240x4
Which polynomial is written in standard form?
a) 7+2x4 -x6 , b) 3x3 - x5 , c) x4
answer: c
Multiple:
3cd2(4c2d -6cd+14cd4)
answer: 12c3d3 - 18c2d3+42c2d4
Write the pascal triangle.
answer: 1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
(x-4)5
answer: x5 -20x4+160x3 -640x2+1280x -1024