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Edexcel 1MA1
Higher
Non-calculator
N7 Indices and roots
Question 1 · 6 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec N7
Spec A4
Original practice question
Answer and supported method checks
Show clear working. Do not use a calculator.
(a)
Solve
4
x
×
2
x
+
3
=
32
2
4^x \times 2^{x + 3} = 32^2
4
x
×
2
x
+
3
=
3
2
2
.
You must show your working.
4 marks