An x-method chart shows the product a c at the top of x and b at the bottom of x. Below the chart is the expression a x squared + b x + c Consider the trinomial x2 – 9x + 18.

Which pair of numbers has a product of ac and a sum of b?

What is the factored form of the trinomial?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Find the values of the variables in the kite

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.