Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 4a + 5b and vector RS = 20a + 25b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 7/8. A player expects 35 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 4-wide bar and a 16-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
- 4Surds3 marks
Expand and simplify (2 + sqrt(6))(2 - sqrt(6)).
- 5Algebraic Fractions3 marks
Simplify (x^2 - 3x + 2)/(x - 2).
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