10 Algebra Problems : Writing Equations from Word Problems and Inequalities
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Page 211 & 212
Write a formula that describes the function for each of the following.
# 8 A developer price condominiums in Florida at $ 20,000 plus $ 40 per square foot of
Living area. Express the cost C as a function of the number of square feet of living area S.
# 10 With a GM Master card 5 % of the amount charged is credited toward a rebate on
The purchase of a new car. Express the rebate R as a function of the amount charged A.
Solve this problem
# 83 Threshold weight. The threshold weight for an individual is the weight beyond
which the risk of death increases significantly. Middle-aged males the function W (h) =
0.000534h/3 expresses the threshold weight in pounds as a function of the height h in
inches. Find W (70). Find the threshold weight for a 6`2" middle aged male.
Page 441 & 442
Determine which of the points following each inequality satisfy that inequality.
# 13 y < x + 4
#14 y < 2x + 2
#15 y > --x + 3
# 16 y < -- 2x +1
#27 y > 2
# 28 y < 7
#45 3x - 4y < --12
# 46 4x + 3y > 24
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Solution Summary
Writing Equations from Word Problems and Inequalities are investigated.
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Page 211 & 212
Write a formula that describes the function for each of the following.
# 8 C=$20,000+$40*S
# 10 R=0.05*A
# 83 It seems that the function is W (h) = 0.000534^h/3
W(70)=0.000534^70/3=183.16
6'2"=6*12+2=74
W(74)=0.000534^74/3=216.39
Determine ...
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