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Elective Mathematics

Elective Mathematics · Quick practice · answer shown after each question

Elective Mathematics quick practice

Question 1 of 10

Question 1 of 10

A line parallel to y = 3x − 2 has gradient

Question 2 of 10

Question 2 of 10

The line y = 3x + 2 has gradient 3.

Question 3 of 10

Question 3 of 10

Evaluate ⁸C₃.

Question 4 of 10

Question 4 of 10

What is cos(−60°)?

Question 5 of 10

Question 5 of 10

If a = 2i − j and b = 3i + 4j, find a · b.

Question 6 of 10

Question 6 of 10

The period of y = sin 2x is

Question 7 of 10

Question 7 of 10

Solve −5x > 12.

Question 8 of 10

Question 8 of 10

Evaluate sin²60° + cos²60° + 4.

Question 9 of 10

Question 9 of 10

∅ is a subset of every set.

Question 10 of 10

Question 10 of 10

Find the sum of the roots of x² − 2x − 24 = 0.

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