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WAEC MathematicsGambia

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Question 241

Solve the quadratic equation: 2x² - 4x - 6 = 0.
Quadratic equations and functionsQuadratic equations and functionsmedium

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Question 242

Given the function f(x) = 3^x, what is the value of log_3(81)?
Logarithms and exponentialsLogarithms and exponentialseasy

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Question 243

If A = \begin{bmatrix}1 & 2 \\ 3 & 4\end{bmatrix} and B = \begin{bmatrix}0 & 1 \\ 1 & 0\end{bmatrix}, what is the product AB?
MatricesMatricesmedium

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Question 244

If the vector \(\vec{u} = 3\hat{i} - 4\hat{j}\), what is the magnitude of \(\vec{u}\)?
VectorsVectorseasy

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Question 245

Given the vector u = (3, -4) and v = (-2, 5), find the dot product u · v.
VectorsVectorsmedium

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Question 246

If the set A = {1, 2, 3, 4} and set B = {3, 4, 5, 6}, what is A ∩ B?
Sets and logicSets and logiceasy

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Question 247

Find the derivative of f(x) = 3x^3 - 5x^2 + 4.
Differentiation (calculus)Differentiation (calculus)medium

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Question 248

If A = {1, 2, 3} and B = {2, 3, 4}, what is the intersection of sets A and B?
Sets and logicSets and logiceasy

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Question 249

Find the derivative of f(x) = 3x^3 - 5x^2 + 6x - 1.
Differentiation (calculus)Differentiationmedium

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Question 250

Given the matrix A = [[2, -1], [3, 4]], find the determinant of A.
MatricesMatriceseasy

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