a) Factorise the expression 2??2 – 7???? + 3??2 (2 marks) b) Find without using mathematical tables or a calculator, the values of x which satisfy the equation; ????????3 + ??????5?? = 5??????2 – ?????? 2 5 (3 marks) c) By correcting each number to one significant figure, approximate the value of 788×0.006. Hence calculate the percentage error arising from this approximation (4 marks) d) (i) Expand and simplify ? ?5 2 x ? (2 marks) (ii) Use the first 4 terms of your result in (i) to find the approximate value of ? ?5 8.1 to 2 d.p (3 marks)
e) Without using a calculator, simplify
4 1
3 2
16 8127 ? ? ? ? ? ? ? ? ? ?
? ? ?
x (3 marks)

 

 

 

 

For a custom-written paper on the above topic, place your order now!

What We Offer
• On-time delivery guarantee
• PhD-level professionals
• Automatic plagiarism check
• 100% money-back guarantee
• 100% Privacy and Confidentiality
• High Quality custom-written papers

Found something interesting ?

• On-time delivery guarantee
• PhD-level professional writers
• Free Plagiarism Report

• 100% money-back guarantee
• Absolute Privacy & Confidentiality
• High Quality custom-written papers

Related Model Questions

Feel free to peruse our college and university model questions. If any our our assignment tasks interests you, click to place your order. Every paper is written by our professional essay writers from scratch to avoid plagiarism. We guarantee highest quality of work besides delivering your paper on time.

Grab your Discount!

25% Coupon Code: SAVE25
get 25% !!