If x2+3x+2 = 0 then which of the following are possible values of x? I- 1 II- (-1) III- (-2)?
Correct answer E. II and III only
Subject / 703 questions
ECAT Math MCQs
Page 25 of ECAT Math multiple-choice questions with answers. Tap an option to check yourself.
Page 25 of 36
If 2x+y=10 and x+y=7 then y =?
Correct answer B. 4
If 3x+y=10 and x+y=6 then x =?
Correct answer B. 2
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If x/2+x/3=1/2+1/3 then x =?
Correct answer C. 1
If p-11 -2p=13-5p then p=?
Correct answer E. 6
If a-8 = 10 – 2a then a =?
Correct answer E. 6
If 2y-5x=5 what is the smallest integral value of x for which y>100?
Correct answer B. 20
If 3212=4a-3 what is the value of a?
Correct answer C. 33
If a = 2b 3b=4c and 5c=6a-7 what is the value of c?
Correct answer A. 7?11
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If 6x-7=8 what is the value of (6x-7)2?
Correct answer D. 64
If s2+t2 = 0 what is the value of s2-t2?
Correct answer C. 0
If 9x+10=34 what is the value of 9x – 10?
Correct answer C. 14
If (a+5b)/2b = a-2b what is the value of a when b=-1?
Correct answer A. 1?3
If z-3=5 what is the value of z2-3?
Correct answer B. 61
If (x+3)/2+3x = 5(x-3)+(x+23)/5 what is the value of x?
Correct answer C. 7
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If x = 4a + 5 and y +16a2 what is y in terms of x?
Correct answer A. (x-5)2
If 1/(c-d) = 8 then c +?
Correct answer C. d+1/8
If the average (arithmetic mean) of 5x and 6y is less than 48 and x is twice y what is the largest integer value of x?
Correct answer C. 11
If 64a+b = 32a+2b then a =?
Correct answer A. 4b
If x/4 + x/8+x/12 = 44 what is the value of x?
Correct answer C. 96