Question 71
Solve for x: log₃ x = 4.Indices, surds, and logarithmsLogarithmsmedium
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Question 72
Find the roots of the cubic equation x³ - 6x² + 11x - 6 = 0.Linear, quadratic, and cubic equationsCubic equationshard
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Question 73
If the quadratic equation x^2 - 5x + 6 = 0, what are the roots?Linear, quadratic, and cubic equationsQuadratic equationseasy
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Question 74
Find the next term in the arithmetic sequence 3, 7, 11, 15, ...Sequences and seriesArithmetic sequenceseasy
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Question 75
If sin θ = 0.6 and θ is acute, what is cos θ?Trigonometry and trigonometric equationsBasic trigonometric identitiesmedium
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Question 76
Solve for x: 2x + 3 = 11.Algebraic expressions and equationsLinear equationseasy
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Question 77
What is the y-intercept of the line represented by 3x - 4y = 12?Coordinate geometryEquation of a linemedium
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Question 78
What is the surface area of a sphere with radius 7 cm? (Use π ≈ 3.14)Mensuration (area, volume, surface area)Surface area of spheresmedium
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Question 79
If y varies directly as the square of x and y=50 when x=5, find y when x=10.Variation and proportionDirect variationmedium
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Question 80
Find the solution to the cubic equation x³ - 6x² + 11x - 6 = 0.Linear, quadratic, and cubic equationsCubic equationshard
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