QUANTITATIVE MODELLING (DSC1520)
ASSIGNMENT 1
SEMESTER 2(2019)
The equation of the straight line is given by y = mx + c
𝐲𝟐− 𝐲𝟏
𝐬𝐥𝐨𝐩𝐞, 𝐦 =
𝐱𝟐− 𝐱𝟏
𝟒−𝟐 𝟐
= = − = -1
𝟐−𝟒 𝟐
𝐄𝐪𝐮𝐚𝐭𝐢𝐨𝐧 𝐛𝐞𝐜𝐨𝐦𝐞𝐬 = −𝐱 + 𝐜
Use the point (4;2) to find c the y-intercept
𝟐 = −𝟏(𝟒) + 𝐜
𝟔=𝐜
𝐓𝐡𝐞 𝐞𝐪𝐮𝐚𝐭𝐢𝐨𝐧 𝐢𝐬 𝐲 = − 𝐱 + 𝟔
OPTION 1
Page 1 of 11
ASSIGNMENT 1
SEMESTER 2(2019)
The equation of the straight line is given by y = mx + c
𝐲𝟐− 𝐲𝟏
𝐬𝐥𝐨𝐩𝐞, 𝐦 =
𝐱𝟐− 𝐱𝟏
𝟒−𝟐 𝟐
= = − = -1
𝟐−𝟒 𝟐
𝐄𝐪𝐮𝐚𝐭𝐢𝐨𝐧 𝐛𝐞𝐜𝐨𝐦𝐞𝐬 = −𝐱 + 𝐜
Use the point (4;2) to find c the y-intercept
𝟐 = −𝟏(𝟒) + 𝐜
𝟔=𝐜
𝐓𝐡𝐞 𝐞𝐪𝐮𝐚𝐭𝐢𝐨𝐧 𝐢𝐬 𝐲 = − 𝐱 + 𝟔
OPTION 1
Page 1 of 11