60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 x Time in minutes (i) Write down the equation of the straight line in the form = + y mx c ………………………………….. *(ii) State clearly what this value of and this value of represent. m c ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… (Total 5 marks) ______________________________________________________________________________ < 1 > < + 1 21. x y y x –2 –2 and are integers. x y On the grid, mark with a cross (), each of the six points which satisfies all these 3 inequalities.
60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 x Time in minutes (i) Write down the equation of the straight line in the form y = mx + c ………………………………….. *(ii) State clearly what this value of m and this value of c represent. ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… ..………………………………………………………………………………………………… (Total 5 marks) ______________________________________________________________________________ 21. –2 < x 1 y > –2 y < x + 1 x and y are integers. On the grid, mark with a cross (), each of the six points which satisfies all these 3 inequalities.
4541_07%20Practice%20Paper%204H%20Set%20A.docx