Question 31
Solve the quadratic equation \(2x^2 - 3x - 2 = 0\). What are the roots?Quadratic equations and functionsQuadratic equations and functionsmedium
Select one option to submit your answer.
WAEC Mathematics – Sierra Leone
AI-generated exam-style practice tailored for Sierra Leone students.
Practice mode
Answer immediately. If you miss, we show exactly why your selected option is wrong.
Progress: 0/10 correct (0 answered)
Question 32
Which inequality represents the region above the line \(y = 2x - 3\) in the coordinate plane?Inequalities and graphsInequalities and graphseasy
Select one option to submit your answer.
Question 33
Find the derivative of \(f(x) = 3x^3 - 5x^2 + 6x - 4\).Differentiation (calculus)Differentiationmedium
Select one option to submit your answer.
Question 34
If \( A = \{1,2,3,4\} \) and \( B = \{3,4,5,6\} \), what is the set \( A \cap B \)?Sets and logicSets and logiceasy
Select one option to submit your answer.
Question 35
Solve for \( x \): \( 3x^2 - 12 = 0 \).Quadratic equations and functionsQuadratic equationseasy
Select one option to submit your answer.
Question 36
Which of the following inequalities is represented by the shaded region below the line \( y = 2x + 3 \) on a graph?Inequalities and graphsInequalities and graphsmedium
Select one option to submit your answer.
Question 37
What is the value of \( \log_2 16 \)?Logarithms and exponentialsLogarithms and exponentialseasy
Select one option to submit your answer.
Question 38
If \( \mathbf{u} = 3\mathbf{i} + 2\mathbf{j} \) and \( \mathbf{v} = -\mathbf{i} + 4\mathbf{j} \), what is the dot product \( \mathbf{u} \cdot \mathbf{v} \)?VectorsVectorsmedium
Select one option to submit your answer.
Question 39
If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, what is the set A ∩ B?Sets and logicSets and logiceasy
Select one option to submit your answer.
Question 40
Find the derivative of f(x) = 3x² - 4x + 7 with respect to x.Differentiation (calculus)Differentiationmedium
Select one option to submit your answer.