12(a)Straight Line Graphs GradientMedium5 marksOn the grid, draw these four straight lines.x=8 y=2 x+y=8 2y−x=4PenEraserUndoRedoClearDraw with the mouse or a finger.Grade answerSolutionGrading criteria
12(b)Simultaneous Equations InequalitiesMedium2 marksRegion R satisfies these four inequalities.x≤8 y≥2 x+y≥8 2y−x≤4By shading the unwanted regions of the grid, find and label the region R.PenEraserUndoRedoClearDraw with the mouse or a finger.Grade answerSolutionGrading criteria