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Algebraic Expressions

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Question 159
a.

Verify that x=8x = 8x=8 and x=1x = 1x=1 solve the equation: x2−9x+8=0x^2 - 9x + 8 = 0x2−9x+8=0

[2]
b.

Hence verify that y=4y = 4y=4 and y=1y = 1y=1 solve the equation: y3−9y32+8=0\displaystyle y^3 - 9y^{\frac{3}{2}} + 8 = 0y3−9y23​+8=0

[2]
Markscheme

Algebraic Expressions Questions

  1. A Level
  2. /Maths
  3. /Algebraic Expressions

233 exam-style questions on Edexcel A Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.

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