Complete the square and find the roots (where y=0) of: "x^2+4x-5"
completing the square: (x+2)^2-9 finding the roots: (x+2)^2=9 x+2=+/-3 at y= 0, x= -5 or 1
LQ
Related Maths GCSE answers
All answers ▸What is 64^1/2 equal to?
This is a sequence: 2,4,7,11,16. Find the Nth term
solve: 4x^2 + 6x - 4 > 0
2435 units of gas used in November, costing 4.12p per unit. The gas company also charge 9.43p per day. The total cost has an additional 5% in VAT. What is the gas bill for the month of November?