The equation y = -1/x represent a inverse variation
Solution:
Given, equation is
We have to find the relation between x and y
Now, for finding the relation we have to take two sets of values of x and y and substitute them in given equation.
If we observe, when y value is decreased from 1 to – 1, the value of x is increased from -1 to 1
Hence, the x and y varies inversely
h = 18.6 cm
2)0
3)8
4)-6
Help me out guys.
Answer:
8
Step-by-step explanation:
The condition for the discriminant b² - 4ac is
If b² - 4ac > 0 then roots are real, irrational and unequal
If b² - 4ac > 0 and a perfect square, roots are real, rational and unequal.
Thus
b² - 4ac = 8
Answer:
3) 8
Step-by-step explanation:
Real and unequal:
B² - 4AC > 0
Irrational: B²-4AC not a perfect square
I'm taking these lengths as the diameter of this ball.
A ball is in the shape of a sphere.
The formula for finding the volume of a sphere is:
= 0.65
∴ Volume =
= (approx.)