If y2+ 14y + k is a perfect square, then k =
4
7
28
49
196
Correct answer is D
No explanation has been provided for this answer.
If 2x : ( x + 1) = 3 : 2, what is the value of x?
\(\frac{1}{2}\)
1
1\(\frac{1}{2}\)
3
3\(\frac{1}{2}\)
Correct answer is D
No explanation has been provided for this answer.
\(\frac{1}{9}\)
\(\frac{1}{6}\)
\(\frac{5}{18}\)
\(\frac{1}{3}\)
\(\frac{13}{18}\)
Correct answer is C
No explanation has been provided for this answer.
5cm
6cm
7cm
10cm
12cm
Correct answer is A
No explanation has been provided for this answer.
If 25a2 = 5-1 × 125. Find the value of a?
a = -1
a = 1
a = ±1
a = ±5
a = 25
Correct answer is C
No explanation has been provided for this answer.