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1. Question1 point(s)
What is the value of |x|?
(i) x = – |x|
(ii) x2 = 4CorrectIncorrect
2. Question1 point(s)
A certain expressway has Exits J, K, L, and M, in that order. What is the road distance from Exit K to Exit L ?
(i) The road distance from Exit J to Exit L is 21 kilometers.
(ii) The road distance from Exit K to Exit M is 26 kilometers.CorrectIncorrect
3. Question1 point(s)
Is 4x + y = 810 ?
(i) x – y = 9
(ii) y/x = 1/4CorrectIncorrect
4. Question1 point(s)
In triangle PQR, it PQ=x, QR= x+2, and PR= y, which of the three angles of triangle PQR has the greatest degree measure?
(i) y= x + 3
5. Question1 point(s)
If the sequence S has 300 terms, what is the 293rd term of S ?
(i) The 298th term of S is –616, and each term of S after the first is 2 less than the preceding term.
(ii) The first term of S is –22.CorrectIncorrect
6. Question1 point(s)
If n is an integer, is n even?
(i) n2 – 1 is an odd integer.
(ii) 3n + 4 is an even integer.CorrectIncorrect
7. Question1 point(s)
If Car X followed Car Y across a certain bridge that is 1/2 mile long, how many seconds did it take Car X to travel across the bridge?
(i) Car X drove onto the bridge exactly 3 seconds after Car Y drove onto the bridge and drove off the bridge exactly 2 seconds after Car Y drove off the bridge.
(ii) Car Y traveled across the bridge at a constant speed of 30 miles per hour.CorrectIncorrect
8. Question1 point(s)
. d = 0.43t7
If t denotes the thousandths digit in the decimal representation of d above, what digit is t ?
(i) If d were rounded to the nearest hundredth, the result would be 0.44.
(ii) If d were rounded to the nearest thousandth, the result would be 0.436.CorrectIncorrect
9. Question1 point(s)
A clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store’s gross profit from the item was what percent of its cost for the item?
(i) y – x = 20
(ii) y/x = 5/4CorrectIncorrect
10. Question1 point(s)
A taxi company charges f cents for the first mile of the taxi ride and m cents for each additional mile. How much does the company charge for a 10-mile taxi ride?
(i) The company charges $0.90 for a 2-mile ride.
(ii) The company charges $1.20 for a 4-mile ride.CorrectIncorrect