equations to find one of or x y. At least one of the equations must contain both and x y terms. Both and A1 (7) 7 Question Scheme Notes Marks Number 7. Multiplying out brackets and an (a) attempt to use at least one of the M1 two standard formulae correctly. First two terms correct. A1 B1 Attempt to factorise out M1 Correct expression with factorised A1 out with no errors seen. Correct proof. No errors seen. A1 * (6) (b) Use of or with the result from (a) M1 used at least once. Correct unsimplified expression. A1 E.g. Allow 2(3n) for 6n. Factorising out ( or ) dM1 A1 (4)
equations to find one of x or y. At least one of the equations must contain both x and y terms. Both and A1 (7) 7 Question Number Scheme Notes Marks 7. (a) Multiplying out brackets and an attempt to use at least one of the two standard formulae correctly. M1 First two terms correct. A1 B1 Attempt to factorise out M1 Correct expression with factorised out with no errors seen. A1 Correct proof. No errors seen. A1 * (6) (b) Use of or with the result from (a) used at least once. M1 Correct unsimplified expression. E.g. Allow 2(3n) for 6n. A1 Factorising out ( or ) dM1 A1 (4)
fp1_all-past-papers.docx