1)
This data set is shown looking like this.
A[10, 3, 15]
B[ 5, 8, 10]
C[ 3, 16, 4]
Answers:
a. A varies jointly with B and C
b. B varies jointly with A and C
c. C varies jointly with A and B
d. C varies directly with A and inversely with B
2)Simplify
(1)/(1-x) + (x)/(x-1)
a. 1
b. (x+1)/(x-1)
c. (x+1)/(1-x)
d. (x+1)/(x-1)^2
3) Which of the following is equal to (x)/(1-1/x)
a. (x-1)/(x)
b. (x)/(x-1)
c. (x-1)/(x^2)
d. (x^2)/(x-1)
4)Which function has a whol in its graph?
a. (x^2 -4x +4)/(x-2)
b. (x^2 +4x -4)/(x-2)
5)How many solutions are there to the equation (2)/(x+1) + (4)/(x^2-1) = 1
a. 0
b. 1
c. 2
d. infinite number.
6) Which expression is equal to ?(xy^3) / (xy)
a. x^(-1/2) y^(1/2)
b. x6(3/2) y^(5/2)
7)Which is equal to 10?
a. (?10)(sqrt4?10)(sqrt8?10)
b. (?10)(sqrt3?10)(sqrt6?10)
This data set is shown looking like this.
A[10, 3, 15]
B[ 5, 8, 10]
C[ 3, 16, 4]
Answers:
a. A varies jointly with B and C
b. B varies jointly with A and C
c. C varies jointly with A and B
d. C varies directly with A and inversely with B
2)Simplify
(1)/(1-x) + (x)/(x-1)
a. 1
b. (x+1)/(x-1)
c. (x+1)/(1-x)
d. (x+1)/(x-1)^2
3) Which of the following is equal to (x)/(1-1/x)
a. (x-1)/(x)
b. (x)/(x-1)
c. (x-1)/(x^2)
d. (x^2)/(x-1)
4)Which function has a whol in its graph?
a. (x^2 -4x +4)/(x-2)
b. (x^2 +4x -4)/(x-2)
5)How many solutions are there to the equation (2)/(x+1) + (4)/(x^2-1) = 1
a. 0
b. 1
c. 2
d. infinite number.
6) Which expression is equal to ?(xy^3) / (xy)
a. x^(-1/2) y^(1/2)
b. x6(3/2) y^(5/2)
7)Which is equal to 10?
a. (?10)(sqrt4?10)(sqrt8?10)
b. (?10)(sqrt3?10)(sqrt6?10)