Question 48
If $y\propto \frac{1}{{{x}^{2}}}$ and y = 1¼ when x = 4. Find the value of y when x = ½
If $y\propto \frac{1}{{{x}^{2}}}$ and y = 1¼ when x = 4. Find the value of y when x = ½
The table below satisfies the relation $y=k\sqrt{x}$ , where k is a positive constant. Use it to answer 18 and 19
x |
1 |
4 |
p |
y |
0.5 |
1 |
2.5 |
The table below satisfies the relation $y=k\sqrt{x}$ , where k is a positive constant.
x |
1 |
4 |
p |
y |
0.5 |
1 |
2.5 |
If $p\propto \frac{1}{q}$ which of the following is true
If $x\propto (45+\tfrac{1}{2}y)$ which of the following is true
The distance, d, through which a stone falls from rest varies directly as the square of the square of the time, t, taken. If the stone falls 45 cm in 3 seconds, how far will it fall in 6 seconds.
G varies directly as the square of H. If G is 4 when H is 3, find H when G = 100
If x and y are variable and k is a constant , which of the following describes an inverse relationship between x and y
If x varies inversely as y varies directly as z , what is the relationship between x and z
If y varies directly as the square root of (x +1) and y = 6 when x =3, find x when y = 9