Welcome to your Grade 11 Mathematics chapter 2
After carefully reading the following 30 questions, choose the correct answer.
1.
A rational expression is an expression of the form Q(x)P(x) where P(x) and Q(x) are:
2.
The domain of a rational function f(x)=Q(x)P(x) is:
3.
A rational expression Q(x)P(x) is in simplest form if P(x) and Q(x) have:
4.
To multiply two rational expressions ba and dc, we use the rule:
5.
To divide ba by dc, where c=0, we:
6.
The Least Common Denominator (LCD) is used when:
7.
An equation containing at least one rational expression is called a:
8.
Solutions to a rational equation that make the denominator zero are called:
9.
Which of the following is a rational inequality?
10.
To solve Q(x)P(x)>0, we typically use:
11.
A vertical asymptote of the graph of f(x)=Q(x)P(x) occurs at x=c if:
12.
If the degree of P(x) is less than the degree of Q(x), the horizontal asymptote is:
13.
If the degree of P(x) equals the degree of Q(x), the horizontal asymptote y=L is:
14.
An oblique (slant) asymptote occurs when:
15.
The x-intercepts of f(x)=Q(x)P(x) are the values of x where:
16.
The y-intercept of f(x) is found by evaluating:
17.
When x→∞ and f(x)→L, then y=L is a:
18.
For f(x)=x1, as x approaches 0 from the right (x→0+):
19.
The graph of f(x)=x21 is symmetric with respect to:
20.
A rational function graph can cross its:
21.
If f(x)=x−1x−1, the graph has a "hole" at:
22.
To find the slant asymptote, one should perform:
23.
The range of f(x)=x1 is:
24.
What is the LCD of x1 and x+11?
25.
If f(x)=x2−42x2+1, the horizontal asymptote is:
26.
If f(x)=xx2−1, the oblique asymptote is:
27.
Which value of x is excluded from the domain of x2−9x?
28.
For Q(x)P(x) to be zero, it is necessary that:
29.
In the rational expression x−2x2−4, after simplifying, the expression becomes:
30.
A "hole" in the graph occurs when a factor (x−c) is:
