The sides of a rectangle are x and (x+2), where x>0 the area of the rectangle is 8, what is the value of x?
X*(X+2) = 8X2 + 2X = 8X2 +2x-8=0 S 2P -8N 4, -2(X+4)(X-2)X=-4 X=2X can only be positive in this case so X=2
GG
Related Maths GCSE answers
All answers ▸A ball of mass m is thrown with velocity of (7i + 4j) m/s from a height of 1m. After some time it hits the ground. Find the: a) ball's maximum height b) speed it hits the ground c) distance travelled
factorise 2x^2 +10x
Solve x^2 + x - 2 = 0
A bag has 3 red balls and 5 green balls. I take out 2 balls, without replacing them. What is the probability of choosing at least one red ball? Give your answer to 3 decimal places.