y = (x + 2)(x + 5)

steps as follows:x times x = x22 times 5 = 102 times x = 2xx times 5 = 5xthen add these together:y = x2 + 7x +10x = -2, -5; y = 0, 10

GL

Related Maths GCSE answers

All answers ▸

Given a spinner divided in 3 sections numbered 1, 2 and 3, and that the arc of section 2 is double that of section one (~57.6 cm), calculate pi to 2 decimal places. The radius of the spinner is 30cm and the angle sub-intended by section 3 is 30 degrees.


Find the range of values of x for which: x^2 + 3x + 2 < 0


a.) simplify and expand (x+3)(2x+5) b.) differentiate (x+3)(2x+5) c.) where does this function intercept the x and y axis? d.) does this function have any turning points? if so where?


When working with probabilities why is it sometimes necessary to add and sometimes to multiply?