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Elective Mathematics

Elective Mathematics · Quick practice · answer shown after each question

Surds, indices and logarithms

Question 1 of 10

Question 1 of 10

Evaluate 8^(2/3).

Question 2 of 10

Question 2 of 10

Solve 5^(x + 1) = 25^(x − 1).

Question 3 of 10

Question 3 of 10

Simplify √50 − √18.

Question 4 of 10

Question 4 of 10

Express log 75 in terms of log 3 and log 5.

Question 5 of 10

Question 5 of 10

Simplify 16^(−1/2).

Question 6 of 10

Question 6 of 10

Evaluate log₂ 8 + log₂ 4.

Question 7 of 10

Question 7 of 10

Simplify log₂ 8 + log₃ 9 − log₅ 125.

Question 8 of 10

Question 8 of 10

Rationalise 1/√3.

Question 9 of 10

Question 9 of 10

Evaluate log₁₀ 100 − log₁₀ 10.

Question 10 of 10

Question 10 of 10

Solve 9ˣ − 4(3ˣ) + 3 = 0.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.