Which of the following expressions is equivalent to (2x-3)(-x-7)?A.(2x+3)(x+7)B.(2x-3)(x-7
Which of the following expressions is equivalent to (2x-3)(-x-7)?
A.(2x+3)(x+7)
B.(2x-3)(x-7)
C.(2x-3)(x+7)
D.(-2x+3)(-x-7)
E.(-2x+3)(x+7)
Which of the following expressions is equivalent to (2x-3)(-x-7)?
A.(2x+3)(x+7)
B.(2x-3)(x-7)
C.(2x-3)(x+7)
D.(-2x+3)(-x-7)
E.(-2x+3)(x+7)
第1题
y the inequality ∣d–3∣≤0.001. What is the maximum diameter, in centimeters, such a metal pole may have?
A.1.4995
B.1.5005
C.2.999
D.3.000
E.3.001
第2题
plane passes through (2,6). What is the slope of this line?
A.-4
B.-3
C.-1
D.3
E.7
第3题
e solution set for r?
A.r≥3
B.r≥0
C.r≥2
D.r≤0
E.r≤2
第4题
changed fromwatching a television with a 13-inch screen to a televi-sion with a similar 19-inch screen. If a boxcarappeared 8inches long on the 13-inch screen, howlong, to the nearest inch, will it appear on the 19-inchscreen?
A.10
B.12
C.14
D.16
E.18
第5题
What are the coor-dinates of the midpoint of the line segment?
A.(3,-1)
B.(3,1)
C.(6,2)
D.(6,5)
E.(12,10)
第6题
nd he has an average score of exactly 78.0 points. How many points does he need to earn on the 6th test to bring his average score up to exactly 80.0 points?
A.90
B.88
C.82
D.80
E.79
第8题
ut. Coming back, she wanted her drive to be two hours shorter. Howmany miles per hour faster must she drive on the way back to do this?
第9题
What is the maximum profit Marcia can earn from the picture frames she makes in 1 week?
A.$410
B.$460
C.$540
D.$560
E.$690
第10题
lon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008-mile trip?
A.25
B.28
C.44
D.50
E.72
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