Question 161
Solve the quadratic equation x² - 5x + 6 = 0.Quadratic equations and functionsQuadratic equations and functionseasy
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Question 162
Given the sequence defined by aₙ = 3n + 2, what is the sum of the first 10 terms?Sequences and seriesSequences and seriesmedium
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Question 163
Find the derivative of y = x³ - 4x² + x - 7.Differentiation (calculus)Differentiationmedium
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Question 164
Which of the following inequalities represents the region above the line \( y = 2x - 3 \) on the Cartesian plane?Inequalities and graphsInequalities and graphsmedium
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Question 165
Evaluate \( \log_3 81 \).Logarithms and exponentialsLogarithms and exponentialseasy
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Question 166
Given the vector \( \mathbf{u} = 3\mathbf{i} - 4\mathbf{j} \) and \( \mathbf{v} = -\mathbf{i} + 2\mathbf{j} \), what is the dot product \( \mathbf{u} \cdot \mathbf{v} \)?VectorsVectorshard
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Question 167
The quadratic equation x² - 4x + 3 = 0 has roots:Quadratic equations and functionsQuadratic Equations and Functionsmedium
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Question 168
If log₂ x = 5, what is x?Logarithms and exponentialsLogarithms and Exponentialsmedium
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Question 169
Find the derivative of f(x) = 3x² + 2x - 5.Differentiation (calculus)Differentiationmedium
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Question 170
Let \( A = \{1, 2, 3, 4\} \) and \( B = \{3, 4, 5, 6\} \). What is \( A \cap B \)?Sets and logicSets and Logiceasy
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