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Free MCQs & Online Quiz Practice for Exams
Review Mode Quiz ModeQ: If (x+1)(x-5)=0, then the solutions are
Answer: D. x=-1, 5
Q: x² - x - 1 = 0, then x =
Answer: C. (-1±√5)/2
Q: (-1±√5)/2 in simplified form is
Answer: D. Cannot be simplified
Q: To apply quadratic formula to 2x² - x = 3
Answer: C. a=2, b=-1, c=-3
Q: If x² - 3x - 4=0, then the solutions are
Answer: A. x=4, -1
Q: 2x² + 4x - 9 = 0, then the solutions are
Answer: B. x=(-2±√22)/2
Q: x² - (1/4) = 0, the solutions are
Answer: A. x=±(1/2)
Q: What are the solutions of the equation x² + 7x - 18 = 0
Answer: A. x=2 or -9
Q: Which of the following values of x are roots of the equation x² - 8x + 15 = 0
Answer: D. x=3 or x=5
Q: The sum of the roots of a quadratic equation is 2 and the sum of the cubes of the roots is 98. The equation is
Answer: A. x²-2x-15=0
Q: If a, b, c are positive real numbers, then both the roots of ax²+bx+c=0 are always
Answer: D. None of these
Q: If a & b are the roots of 4x²-3x+7=0, then the value of 1/a + 1/b is
Answer: B. 3/7
Q: Direct variation between a and b is expressed as
Answer: C. a∝b
Q: If m∝(1/n) , then
Answer: D. mn=k
Q: Identify the item that does not have the same ratio as the other three
Answer: D. 3:2
Q: If a/b=c/d then by alternendo property
Answer: C. a/b=b/d
Q: If 7:9 :: x:27, then x=
Answer: A. 21
Q: The third proportional of x and y is
Answer: C. y²/x
Q: If x∝(1/y) and y∝(1/z), then
Answer: B. x∝z
Q: If 2a+1:21::4:7, then a=
Answer: B. 11/2