Answers>Maths>A Level>Article

Express 9^(3x+1) in the form 3^y, giving "y" in the form "ax+b" where "a" and "b" are constants.

9= 3² so 9^3x+1= 3^2(3x+1)= 3^6x+2

y= 6x+2 where a=6 and b=2

Answered by Laura B. • Maths tutor

18176 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Write 9sin(x) + 12 cos(x) in the form Rsin(x+y) and hence solve 9sin(x) + 12 cos(x) = 3

A ball is projected vertically upwards from the ground with speed 21 ms^–1. The ball moves freely under gravity once projected. What is the greatest height reached by the ball?

Find the gradient, length and midpoint of the line between (0,0) and (8,8).

Express the equation cosecθ(3 cos 2θ+7)+11=0 in the form asin^2(θ) + bsin(θ) + c = 0, where a, b and c are constants.

We're here to help

Message us on Whatsapp

+44 (0) 203 773 6020

Company Information

Popular Requests

Maths tutor Chemistry tutor Physics tutor Biology tutor English tutor GCSE tutors A level tutors IB tutors Physics & Maths tutors Chemistry & Maths tutors GCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy

CLICK CEOP

Internet Safety

Payment Security

Cyber

Essentials