Tim’s client wants to sell her house and needs an estimate of its value. To get an initial estimate, Tim averages the sale price of similar homes in the area. He also adjusts the value of each of these homes using a multiplier to take any differences in value into account. His formula is:
v a l u e equals fraction numerator left parenthesis 1.2 right parenthesis left parenthesis 270 comma 000 right parenthesis plus left parenthesis 0.9 right parenthesis left parenthesis 250 comma 000 right parenthesis plus left parenthesis 1.1 right parenthesis left parenthesis 215 comma 000 right parenthesis plus left parenthesis 1 right parenthesis left parenthesis 235 comma 000 right parenthesis plus left parenthesis 1.3 right parenthesis left parenthesis 240 comma 000 right parenthesis over denominator 5 end fraction
2 answers
Please put in the parentheses "()", slash marks "/" to indicate a fraction, and commas "," to clarify your question.
When doing a calculation involving zoning laws, Tim comes across the following expression:
a-|a| over a
where a is either a positive or a negative number.
(A) What is the value of the expression when a=5?
(B) What is the value of the expression when a=-5?
a-|a| over a
where a is either a positive or a negative number.
(A) What is the value of the expression when a=5?
(B) What is the value of the expression when a=-5?