P(Face)=12/52=4/13; 8a ½m P(not Face) = 1 – 4/13 =9/13 ½m P(Red Ace) = 2/52 = 1/26 8b 1m (x2-2) is a factor. 9 1m Long Division Method 1m Other two zeros are ½ and 1 1m x + y = 4 ; x – y = 4 10 2m x=4, y=0 1m 11 1m n=0 2m Statement 12 1m Proof 2m Correct Proof 13 3m Construction of correct triangle 14 1m Construction of Circle 1m Construction of Tangents 1m y= and simplification of Quadratic Eqs 15 1m y = 8/7 and 4/3 1m x= 7, 1/7 and 3, 1/3 2m Correct Figure 16 1m Height = 180m 3m Area of Triangle = 98cm2 Area of Sector = 49=154cm2 17 1m Area of Segment= 154-98=56cm2 1m Area of semi circle= 154cm2 1m
8a 8b P(Face)=12/52=4/13; P(not Face) = 1 – 4/13 =9/13 P(Red Ace) = 2/52 = 1/26 ½m ½m 1m 9 (x2-2) is a factor. Long Division Method Other two zeros are ½ and 1 1m 1m 1m 10 x + y = 4 ; x – y = 4 x=4, y=0 2m 1m 11 n=0 1m 2m 12 Statement Proof 1m 2m 13 Correct Proof 3m 14 Construction of correct triangle Construction of Circle Construction of Tangents 1m 1m 1m 15 y= and simplification of Quadratic Eqs y = 8/7 and 4/3 x= 7, 1/7 and 3, 1/3 1m 1m 2m 16 Correct Figure Height = 180m 1m 3m 17 Area of Triangle = 98cm2 Area of Sector = 49=154cm2 Area of Segment= 154-98=56cm2 Area of semi circle= 154cm2 1m 1m 1m
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