Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2.5, one 10 units wide with density 3. How many values in total?
- 2Bounds3 marks
A rectangle is 23 cm by 4 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 3Transforming Graphs y=f(x)3 marks
The point (1, -5) lies on y = f(x). Write down its image on y = f(x) + 6.
- 4Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 3 m/s to 15 m/s over 8 seconds. Work out the acceleration.
- 5Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 2a - 3b and vector RS = 4a - 6b. What does this show about PQ and RS?
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