6
1. What do you call an expression in fraction form in which the numerator and the denominator are polynomials?
A. rational algebraic equation
C. rational algebraic expression
B. linear algebraic expression
D. linear algebraic equation
2. In a rational algebraic expression written in the form of where P and Q are polynomials, the polynomial Q
must not be equal to
A.O
B. 2
C.1
D. 3
3. Which of the following is a rational algebraic expression?
읍 B.
C. 2-V D.
5x +3
4. What value of x will make the rational algebraic expression
undefined?
6
3
a.
1+
x-1
y-2
-2
4-X
X-6
ce
od
A. -6
3
B.6
5
2x+
5. What is the value of the rational expression
when x = 1?
A.2
B. 4
C.3 D.5
2x + 1
х
x² + 5x
6. What is the value of the expression
x2+1
when x=-1?
A.-2
B.O.
C.-1
D. 1
denominator?
A.
B.
C.
3x-9
D.
x-3
t
6x-5
A 5t
c. sta
7. Which of the following represents a ratio of two polynomials?
A. (x+1)+(x-3)
C. (x + 1)(x-3)
B.
(x+1)
D. (x + 1) - (x -- 3)
(x-3)
8. Which of the following is a rational algebraic expression with a monomial in the numerator and a binomial in the
x = 2 쮸
9. A speedy biker can travel 5 km per t hours. Which of the following expressions best illustrates the situation?
DS
10. Vince can complete his school activity in x hours. What part of the activity can be completed by Vince after 4 hours?
A 4x B. x - 4
x + 2x+1
11. What is the value of x that will make the expression
undefined?
x2+2x+1
A. - 1
B. 1
с. О
D. 2
12. Which of the following represents the phrase "The ratio of twice the sum of x and y to the difference of x and twice
2(x-Y
B.
2(x-y)
13. Which of the following satisfies the phrase The sum of five and one third of a number na divided by the sum of twice
a number y and 3?
(3 + n)- y
5+2-2y
sen
5
t
D. x + 4
2x+y
D
y? A 2x+y
С
2x+2y
2.x-2y
x-2y
x-2y
B
C-
3
3
2y+3
2(x+3)
14. Jed can accomplish the school activity in five hours while Vince can accomplish the same activity in x hours
which expressions below represents the rate of Jed and Vince working together?
1
A 5 + x
Cx-5
D
BI_1
+
5
5​