The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.
y = (7-3x)/2m = -3/2 therefore:Y = 2/3 X + cwhen Y = 4 and X = 3, c = 2therefore b = 2/3 a + 2
DP
Related Maths GCSE answers
All answers ▸There is a bag of blue, red, and white counters. 1/6 of the bag is blue counters. 1/4 of the bag is red counters. What is the smallest number of white counters that could possibly be in the bag.
Solve 3(x-2)=21
Find the value of x which satisfies the following equation 3x^2 +6x+3 = 0
Solve 2x+y=6, 3x+2y=3 for x and y.