1ii) sketch y=x^2-4x-21
A parabola shape with x intercepts at x = -3 and x = 7 and the y intercept at y = -21
KI
Related Maths GCSE answers
All answers ▸Solve 2x + 4 > 16
A triangle has sides of length 8 cm, 10 cm and 14 cm. Work out the size of the largest angle of the triangle. Give your answer correct to 1 decimal place.
There are a collection of CDs. There are 2 Rock CDs, x Pop CDs and 2x + 5 Jazz CDs. A CD is chosen at random, the probability that it is Rock is 1/20. Work out the probability it is Jazz.
25^(3/2)