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 ▸Ms Henderson has two jars of sweets. The jars contain the same number of sweets in total. 25% of the sweets in Jar A are mint. Two fifths of the sweets in Jar B are mint. There are 10 mint sweets in Jar A, how many mint sweets are there in Jar B?
The perimeter of a right angled triangle is 72cm. The length of its sides are in the ratio 3:4:5. Work out the area of the triangle.
Explain how to solve simulatentous equations.
How do you work out the length of one of the sides of a right-angled triangle given the other two?