What are the roots of the graph of this equation: x^2 + 9x + 18 = 0
Roots are where the graph crosses the x-axis, which we find by solving the equation to find x. x = -6 or x = -3
MH
Related Maths GCSE answers
All answers ▸If 2x + y = 13 and 3x - y = 12, what are the values for x and y?
simplify fully: (x^2+x-6)/(x^2-7x+10)
Bob lives 2km away from Alice and the school is 1km away from Bob. Alice sets off to meet Bob at 8am and she meets him at 8:15 and they carry on walking at the same pace. School starts at 8:20. Do they get to school on time? How early/late are they?
A square has sides of length x cm. The length of a rectangle is equal to the perimeter of this square. The perimeter of this rectangle is 14x cm. Find an expression for the width of this rectangle. Give your answer in terms of x.