test of revision 1 G9

Description

revision: fractions, radical, scientific notation
Zeinab Zeineddine
Quiz by Zeinab Zeineddine, updated more than 1 year ago
Zeinab Zeineddine
Created by Zeinab Zeineddine over 8 years ago
148
0

Resource summary

Question 1

Question
The GCD of 360 and 48 is
Answer
  • 24
  • 18
  • 28

Question 2

Question
(3×10³×3.6×(10²)^3)/(2.7×10⁻⁴)=
Answer
  • 4×10¹⁰
  • 4×10¹³
  • 4×10¹⁶

Question 3

Question
If x=(a+b)² and y=(a-b)² then x-y=
Answer
  • 2ab
  • 3ab
  • 4ab

Question 4

Question
If A=4√5-4 and B=5√5 then
Answer
  • A=B
  • A<B
  • A>B

Question 5

Question
Given the numbers: A=8/3+5÷(1-2/5) ; B=(55×10³×2¹⁰)/(10⁴×2⁹) ; C=(4+√5)(4-√5) ; D=2√45+√81-3√20+2 then A=B=C=D
Answer
  • True
  • False

Question 6

Question
Given: X=3√27+√48+√75 and Y=√12-2√48+√192. 1) Write X and Y in the form of a√b. 2) Compare X and Y. 3) Rationalize the denominator of: X/(Y+1) 4) Assume that the dimensions of the rectangle ABCD are U and V where U=√XY and V=X+Y. Calculate U and V, then evaluate the area of ABCD.
Answer
  • 1) X=18√3 ; Y=2√3 2) X>Y 3) X/(Y+1)=(18√3(2√3-1))/11 4) U=√XY=6√3 ; V=20√3 Area=XY=360.
  • 1) Y=18√3 ; X=2√3 2) X>Y 3) X/(Y+1)=(18√3(2√3-1))/11 4) U=√XY=3√3 ; V=2√3 Area=XY=12.

Question 7

Question
1) Rationalize the expression: √3/(3√2+√3) 2) Deduce that: √3/(3√2+√3)-(√6-11)/5 is an integer.
Answer
  • ) √3/(3√2+√3)=(√6+1)/5 2) √3/(3√2+√3)-(√6-11)/5=12/5
  • 1) √3/(3√2+√3)=(√6-1)/5 2) √3/(3√2+√3)-(√6-11)/5=2
Show full summary Hide full summary

Similar

Pythagorean Theorem Quiz
Selam H
Geometry Vocabulary
patticlj
Macbeth Quotes To Learn
Sophie Brokenshire
How does Shakespeare present villainy in Macbeth?
maxine.canvin
Romeo & Juliet Quotes
Lucy Hodgson
Animal Farm Chapter Overview
10jgorman
English Language Techniques
lewis001
Using GoConqr to teach English literature
Sarah Egan
Using GoConqr to study English literature
Sarah Egan
New English Literature GCSE
Sarah Egan
A Level: English language and literature techniques = Structure
Jessica 'JessieB