568436 - Mathematics Guide 1- Contents 2

568436 - Mathematics
Guide
1- Contents
Question
1
2
3
4
5
Item
0043
0027
0710
0814
0842
Objective
ALG.02.04
ALG.02.02
ALG.02.01
ALG.02.01
ALG.02.04
Type
Choix multiple
Réponse courte
Choix multiple
Choix multiple
Réponse courte
2- Correction key
1
C
2
a)
b)
c)
d)
e)
f)
g)
3
A
4
D
5
In simplified form, the result of this operation is 2x + 3.
15a6b2 + 20a5b5
-15a2b3x + 12a2b3y
2x2 − 20xy + 48y2
6x6y3 + 10x3y5 − 12x4y4 − 20xy6
8x4 − 22x2y3 + 15y6
6x4 + 9x3y + 9x2y2 − 6xy3 + 10y4
2a4 − 7a3b + 14a2b2 − 24ab3 + 18b4
Skill
Applications
Applications
Applications
Applications
Applications
Name : _________________________________
Date : _________________________________
568436 – Mathematics
Review for test 3: exponents, radical, polynomials
1
The volume of a right prism with a rectangular base is 2x3 + x2 − 13x + 6.
The height of the prism is 2x − 1.
Which of the following are possible dimensions of its base?
2
A)
(x − 3) and (x + 2)
C)
(x + 3) and (x − 2)
B)
(x − 3) and (x − 2)
D)
(x + 3) and (x + 2)
Multiply the following polynomials:
a)
5a2b2(3a + 4b3)
b)
(5x − 4y) − 3a2b2
c)
(x − 6y) (2x − 8y)
d)
(3x4y + 5xy3) (2x2y2 − 4y3)
e)
(4x2 − 5y3) (2x2 − 3y3)
f)
(2x2 + 3xy + 5y2) (3x2 − 2y2)
g)
(a3 − 2a2b + 4ab2 − 6b3) (2a − 3b)
3
4
5
If a ≠ 0 and b ≠ 0, which of the following expressions is equivalent to
If
A)
1
a3
C)
1
B)
1
a
D)
1
a b4
3
x ≠ 3 , which of the four expressions below is equivalent to
A)
x −3
x+9
C)
x +3
x−3
B)
x −3
x+3
D)
x +3
x−9
The divisor in the following operation is not equal to zero.
(2x2 − 5x −12) ÷ (x − 4)
What is the result of this operation in simplified form?
(ab −1 ) −2
?
ab 2
1
x −3
?