Chapter 11 Operations of Algebraic ExpressionsChapter 11 Operations of Algebraic ExpressionsPAGE 146PAGE 145 PAGE 14112.(a) = (b)= =
Chapter 11 Operations of Algebraic ExpressionsChapter 11 Operations of Algebraic ExpressionsPAGE 148PAGE 147 PAGE 14117.(a)(b)
Chapter 11 Properties of QuadrilateralsChapter 11 Properties of QuadrilateralsPAGE 170PAGE 15715612.(definition of rectangle)∵AC ? BD(prop. of rectangle)E is the mid-point of AC and BD.(prop
PAGE 15814.(a)sin ?? ? ?? (corr. to 1 d.p.)(b)cos ?? ? ?? (corr. to 1 d.p.)(c)tan ?? ? ?? (corr. to 1 d.p.)
Chapter 11 Operations of Algebraic ExpressionsChapter 11 Operations of Algebraic ExpressionsPAGE 146PAGE 145 PAGE 14123.C∵An equation is the equality that includes unknowns.∴Only 15x = 3
Chapter 12 Linear Equations in Two UnknownsChapter 12 Linear Equations in Two UnknownsPAGE 172PAGE 171 PAGE 16611.B∴From the above figure the graphs of 2x 4y ?12 = 0 and x 2y ? 6 = 0 ar
Chapter 12 Linear Equations in Two UnknownsChapter 12 Linear Equations in Two UnknownsPAGE 178PAGE 177 PAGE 16614.AFrom the graph P lies on the graph of the equation y = 2x 15.
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