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預代數
(時限:35分鐘)
年終評估
1. Which of the following is a factor of 60?
14
16
11
12
2. Which number is both a perfect square and a perfect cube number?
9
27
64
125
3. Judy’s heart beats 70 times a minute. At this rate, how many times does her heart beat in an hour?
240
4200
2400
3600
4. If 9 is P percent of 17, then P is a number between which two number?
70 and 90
80 and 90
30 and 40
40 and 60
5. A basketball team won 10 games and lost 15. What is the ratio of wins to the total number of games?
2/3
3/7
2/7
None of the above
6. 4(x+6)+2(3x–5)=
5x+14
10x+14
10x-14
None of the above
7. Which of the following is the prime factorization of 510?
2x3x17
2x3x19
2x3x5x11x17
None of the above
8. Once simplified, which expression is not equivalent to the other three expressions?
-5m–11–3m+2
4(7–2m)–10
12+4m–3(4m–2)
m–(9m–1)+17
9. Find the solution to the following equation 5(2a - 3) = 13a - 3(a - 5)
a=2
a=-2
no solution
infinite many solutions
10. 2 extra large chocolate shakes contain 85 ounces of ice cream. How many ounces of ice cream are there in 12 extra large chocolate shakes?
510
360
420
None of the above
11. If the area of the square is 25, what is the side of the square?
50
10
5
2
12. Find the slope of the line that passes through the points (-1, -2) and (-9, -2).
2
1/2
undefine
0
13. If m∠1 = 61°, m∠2 = 29°, m∠3 = 151°, and m∠4 = 29°, which statement could be true?
∠ 1 and ∠ 2 are supplementary angles
∠ 2 and ∠ 4 are complementary
∠ 2 and ∠ 4 are supplementary angles
∠ 3 and ∠ 4 are supplementary angles
14. Which side length do not form a right triangle?
9cm,40cm,41cm
12ft,16ft,20ft
8m,15m,17m
10yd,15yd,20yd
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