Search found 15 matches
Solution
If x^2 -7x=144 , and y and n are integers such that y^n=x , which of the following CANNOT be a value for y
A)-9
B)16
C)4
D)-3
- by Hmna
Tue May 09, 2017 8:04 am- Forum: Problem Solving
- Topic: Solution
- Replies: 2
- Views: 1640
help !!
If x+2y=a , and x-2y=b, which of the following is an expression for xy?
A)2(a+b/a-b)
b)2(a-b/a+b)
c)1
d)non
- by Hmna
Tue May 09, 2017 4:12 am- Forum: Problem Solving
- Topic: help !!
- Replies: 3
- Views: 1430
- by Hmna
Tue May 09, 2017 3:56 am- Forum: Problem Solving
- Topic: help !!
- Replies: 2
- Views: 1077
Solve please
For the equation a^x/a^y=a^-10 and (a^y)^3=a^-x, if a>1 what is the value of x
A)2.5
B)-7.5
C)2
D)1
- by Hmna
Mon May 08, 2017 9:25 am- Forum: Problem Solving
- Topic: Solve please
- Replies: 2
- Views: 1088
- by Hmna
Wed May 03, 2017 4:13 am- Forum: Problem Solving
- Topic: Help plz!!
- Replies: 1
- Views: 938
Problem solving
If the ages of players in a cricket team vary between 17 and 37 inclusive, which of the following describes
all possible ages x in this cricket team?
A) |x – 17| ≤ 27
B) |x + 27| ≤ 10
C) |x – 27| ≤ 10
D) |x – 37| ≤ 17
- by Hmna
Wed May 03, 2017 2:39 am- Forum: Problem Solving
- Topic: Problem solving
- Replies: 2
- Views: 1870
Help plz!!
If x> 0 satisfying 3√x / x = x^w then what will be the value of w
A) 2/3
B)-2/3
C)-3/2
D)3/2
- by Hmna
Wed May 03, 2017 2:33 am- Forum: Problem Solving
- Topic: Help plz!!
- Replies: 1
- Views: 1007
- by Hmna
Sun Apr 30, 2017 5:43 am- Forum: Problem Solving
- Topic: Help help help !!
- Replies: 1
- Views: 1009
Need some help..!
If M and N are negative integers and 5M – 4N = 20, which of the following CAN NOT be a value of M?
A) – 4
B) – 8
C) – 10
D) – 12
- by Hmna
Sun Apr 30, 2017 5:33 am- Forum: Problem Solving
- Topic: Need some help..!
- Replies: 7
- Views: 3044
Find the value of w help needed
Given that u^2
is directly proportional the cube of w . Find the value of w when u = 27, if u = 8 when w = 8.
A) 14
B) 16
C) 18
D) 20
- by Hmna
Sun Apr 30, 2017 3:43 am- Forum: Problem Solving
- Topic: Find the value of w help needed
- Replies: 2
- Views: 1627
Help plz!!
In the xy-plane, the parabola with equation y = -(x + 3)2
intersects the line with equation y = 4x at
two points, P and Q. What is the length of PQÌ…Ì…Ì…Ì…?
A) 40
B) 8√17
C) 50
D) 10√5
- by Hmna
Sat Apr 29, 2017 1:37 am- Forum: Problem Solving
- Topic: Help plz!!
- Replies: 1
- Views: 1428
If the modes of the set {1, 3, 6, 9, 12, 4x y, y x } are 6 and 9, then x + y is I. 16 II. 19 III. 21 A) I only B) II only C) Both I and III D) Both I and II Please clarify the values in blue above. It LOOKS like 4xy and yx, but I'm pretty sure that's not what it's supposed to be. Cheers Brent it is...
- by Hmna
Fri Apr 28, 2017 6:31 am- Forum: Problem Solving
- Topic: Modes of a set "help needed"
- Replies: 3
- Views: 2618
Modes of a set "help needed"
If the modes of the set {1, 3, 6, 9, 12, 4x-y, y-x} are 6 and 9, then x + y is
I. 16
II. 19
III. 21
A) I only
B) II only
C) Both I and III
D) Both I and II
- by Hmna
Fri Apr 28, 2017 5:15 am- Forum: Problem Solving
- Topic: Modes of a set "help needed"
- Replies: 3
- Views: 2618
Help plz!!
A unary operator â—Š is defined as â—Š x = x2
– 4x + 3. If ◊β = ◊(3 – 2β), what is the value of β?
A) 1 only
B) – 1 only
C) ± 1
D) None of these
- by Hmna
Thu Apr 27, 2017 11:28 pm- Forum: Problem Solving
- Topic: Help plz!!
- Replies: 7
- Views: 1855
Help plz!!
If p and q are nonzero integers and 81p=27q what is the value of p\q
A)3/4
B)4/3
C)27/7
D)7/27
- by Hmna
Thu Apr 27, 2017 3:00 am- Forum: Ask the Test Maker
- Topic: Help plz!!
- Replies: 8
- Views: 4434