Paki sagot po plss needed po kase Doubled lang po yung choices pero 1 question lang po yan salamat
1. Which of the following is not a rational algebraic expression?
6 points
Column 1
A. 2/a
B. 1/0
C. x/5a
D. 1/(2 −2a)
A. 2/a
B. 1/0
C. x/5a
D. 1/(2 −2a)
2. What value of x will make the equation ( −5)/(3 −2) undefined?
4 points
Column 1
A. -2
B.2
C. 2/3
D. 3/2
A. -2
B.2
C. 2/3
D. 3/2
3. Given the two real numbers represented by a and b. The sum of their reciprocal is ½. Represent this statement into rational expression.
5 points
Column 1
A. a + b = 1/2
B. 1/2
C. 1/a + b = 1/2
D. 1/a + 1/b = 1/2
A. a + b = 1/2
B. 1/2
C. 1/a + b = 1/2
D. 1/a + 1/b = 1/2
4. The area of rectangle is (^2 + 4 − 32)^2. If the width of the rectangle is (m – 4)cm, what is the ratio of area to the width?
5 points
Column 1
A. (m^2 + 4m – 32) / (m – 4)
B. (m – 4 ) ( m + 8 )
C. (m – 4 ) / ( m + 8 )
D. B. ( m + 8 ) / (m – 4 )
A. (m^2 + 4m – 32) / (m – 4)
B. (m – 4 ) ( m + 8 )
C. (m – 4 ) / ( m + 8 )
D. B. ( m + 8 ) / (m – 4 )
5. What is the LCD of 2/3 + 1/9 = 3/x ?
8 points
Column 1
A. 9
B. 9x
C. 3x
D. 27x
A. 9
B. 9x
C. 3x
D. 27x
6. Which of the following is the simplest form of (2+3)/(8+12)?
6 points
Column 1
A. 4
B. 1/(2x + 3)
C. 1/4
D. (2x + 3)/4(2x + 3)
A. 4
B. 1/(2x + 3)
C. 1/4
D. (2x + 3)/4(2x + 3)
7. In the given rational expression 1/x = 2/4 , determine the value of x in simplified form.
6 points
Column 1
A. 2
B. 4/2
C. 4
D. 2/4
A. 2
B. 4/2
C. 4
D. 2/4
8. What is the simplified form of 3/(x + y) . (x + y)/(x - y)
6 points
Column 1
A. 3(x + y)/(x - y)
B. 3(x + y)/(x + y)(x - y)
C. 3
D. 3/(x - y)
A. 3(x + y)/(x - y)
B. 3(x + y)/(x + y)(x - y)
C. 3
D. 3/(x - y)
9. Find the difference: (x/2) - (x/3)
6 points
Column 1
A. (3x - 2x)/6
B. 2x/3
C. x/6
D. -x/6
A. (3x - 2x)/6
B. 2x/3
C. x/6
D. -x/6
10. Find the product of (a^2 - 9)/(a^2 + a - 20) and (a^2 - 8a +16)/(a^2 - 9).
6 points
Column 1
A. 4/5
B. (a - 4)/(a + 5)
C. (a - 4)/(a - 5)
D. (a - 5)/(a + 4)
A. 4/5
B. (a - 4)/(a + 5)
C. (a - 4)/(a - 5)
D. (a - 5)/(a + 4)
11. What is the value of a in the equation 1/4 = (3/a) - (1/2) ?
6 points
Column 1
A. 12
B. 6
C. a = 12 - 2a
D. 2a - a = 12
A. 12
B. 6
C. a = 12 - 2a
D. 2a - a = 12
12. Megan can complete her school project in x hours. What part of a job will be completed by Janine after 4 hours?
6 points
Column 1
A. x + 4
B. 1/4
C. x/4
D. 4/x
A. x + 4
B. 1/4
C. x/4
D. 4/x
13. If Megan who is the group mate of Janine in item no. 12 can do a project in 2 hours. Which expression below represent the rate of Megan and Janine working together?
8 points
Column 1
A. 1/x
B. (1/2) + (1/4) = 1
C. (1/2) + (1/4) = 1/x
D. (1/2) + (1/4)
A. 1/x
B. (1/2) + (1/4) = 1
C. (1/2) + (1/4) = 1/x
D. (1/2) + (1/4)
14. When the reciprocal of two positive consecutive even numbers were added, the result is 7/24. What are the two numbers?
5 points
Column 1
A. 12 and 2
B. 8 and 3
C. 6 and 8
D. 12 and 4
A. 12 and 2
B. 8 and 3
C. 6 and 8
D. 12 and 4
15. Sam can clean the garage in 3 hours, but it takes Jean 4 hours to do the same job. How long would it take them to clean the garage if they worked together?
5 points
Column 1
A. 1.7 hours
B. 1 hour
C. 1.5 hours
D. 2 hours
A. 1.7 hours
B. 1 hour
C. 1.5 hours
D. 2 hours ​​