Exact Form : -53/12
Decimal Form : -4.416
Mixed numbers : -4 5/12
1) local shopping mall
This is most relevant to spending habits. This would be where people would be spending money on a lot of different things and where their spending habits would show. It'd make the most sense to survey people there.
The value of m must be 4 and the value of b must NOT be -3.
No matter what numbers they involve, two equations with the SAME slope (m) and a DIFFERENT y-intercept (b) have no solution. This is because they form parallel lines, never crossing and therefore never giving a solution.
<u>x + 5y = 4v</u>
Subtract 5y from each
side of your equation: <em> x = 4v - 5y</em>