Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
5th August 2022
- 1Trigonometric and Exponential Graphs2 marks
The curve y = cos x° is drawn for 0 <= x <= 360. Write down the value of y when x = 270.
- 2Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 3 m/s to 18 m/s over 5 seconds. Work out the acceleration.
- 3Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + 3b and vector RS = 20a + 12b. What does this show about PQ and RS?
- 4Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 6 wins. How many games did they play?
- 5Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 0.4, one 5 units wide with density 3. How many values in total?
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