Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question

Transcribed Image Text:7. If log,x=3lg,p-[2log,t+log,r).
value of x is
1)
2)
3)
p²²r²³
p³r²³
√r
9. What is the common difference of the arithmetic
sequence below?
-7x,-4x,-x, 2x, 5x,...
1) -3
2) -3x
, then the
3) 3
4) 3x
8. The formula for continuously compounded interest
is A = Pe", where A is the amount of money in the
account, P is the initial investment, r is the interest
rate, and is the time in years. Using the formula,
determine, to the nearest dollar, the amount in the
account after 8 years if $750 is invested at an
annual rate of 3%.
10. Which step can be used when solving
x²-6x-25-0 by completing the square?
1) x² - 6x+9=25+9
2) x²-6x-9=25-9
3) x² - 6x+36=25+36
x²-6x-36=25-36
4)
11. At 3 PM two ships started sailing toward each other from ports that were 265 miles apart at average rates
at 18 and 23 miles per hour. At what time were the ships still 60 miles apart?

Transcribed Image Text:SHOW ALL WORK
1. What is the common ratio of the sequence
a³b³₁-32a³b², ab ³,...?
16
1)
2)
3)
4)
•8 ~•f / sjs
3. What are the coordinates of the center of a circle
whose equation is x² + y²-16x+6y+53=0?
1) (-8,-3)
2) (-8,3)
3) (8.-3)
4) (8,3)
5. A sequence has the following terms: a₁ = 4,
a₂ = 10, a3 =25, a₁ = 62.5. Which formula
represents the nth term in the sequence?
1) a = 4+2.5m
2) a, 4+2.5(n-1)
3) a = 4(2.5)"
4) a₁ = 4(2.5)-1
2. Evaluate: (-n¹-n)
Σ
n=1
4. When factored completely, the expression
3x³-5x²-48x+80 is equivalent to
1) (x²-16)(3x-5)
2) (x²+16)(3x - 5)(3x+5)
3) (x+4)(x-4)(3x - 5)
4) (x+4)(x-4)(3x -5)(3x -5)
6. If $5000 is invested at a rate of 3% interest
compounded quarterly, what is the value of the
investment in 5 years? (Use the formula
A=P{1+²)*.
, where A is the amount accrued, P
is the principal, r is the interest rate, n is the
number of times per year the money is
compounded, and is the length of time, in years.)
1) $5190.33
2) $5796.37
3) $5805.92
4) $5808.08
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