solve each problem by factoring 1. area of a painting A retangular painting with
ID: 3102150 • Letter: S
Question
solve each problem by factoring
1. area of a painting
A retangular painting with a width of x centimeters has an area of x2 + 50x square centimeters. Find a binomial that represents the length. See the accompanying figure.
2. Amount of an investment
The amount of an investment of p dollars for + years at simple interest rate r is given by A= P + prt.
a) rewrite this formula by factoring out the greatest common factor on the right-hand side
b) Find A if $8,300 is invested for 3 years at a simple interest rate of 15%
Explanation / Answer
1. x2+50x = x(x+50) = area, where width = x. L= x+50
2. A = P + prt
A = P(1+1rt)
A = 8300(1+(1)(.15)(3)
A = $3735.00
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