5
3
-3
-5
Correct answer is A
\(\text{Gradient m} = \frac{y_2 - y_1}{x_2 - x_1}\)
\(\frac{1}{2} = \frac{2 - 4}{1 - x}\)
1 - x = 2(2 - 4)
1 - x = 4 - 8
1 - x = -4
-x = -4 - 1
x = 5
Given that cos xo = \(\frac{1}{r}\), express tan x in terms of r...
How many different 8 letter words are possible using the letters of the word SYLLABUS? ...
What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2? ...
Find the standard deviation of 5, 4, 3, 2, 1 ...
If 4\(^{3x}\) = 16\(^{x+1}\), find the value of x ...
Simplify 3\(\frac{1}{3}\) - 1\(\frac{1}{4}\) x \(\frac{2}{3}\) + 1\(\frac{2}{5}\)...