Quadratic Equation Practice Question and Answer
8 Q:Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. X2 – 5x + 6 = 0
II. 2y2 – 7y +3 = 0
586 064e5eab4646d8ab6ebd7b2c3
64e5eab4646d8ab6ebd7b2c3II. 2y2 – 7y +3 = 0
- 1X > Yfalse
- 2X < Yfalse
- 3X ≥ Yfalse
- 4X ≤ Yfalse
- 5X = Y or no relation can be establishedtrue
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Answer : 5. "X = Y or no relation can be established"
Q:Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. 2x + 3y = 52
II. 5x – 2y = 16
668 064e5ea5e46497acb229cc7ac
64e5ea5e46497acb229cc7acII. 5x – 2y = 16
- 1X > Yfalse
- 2X < Ytrue
- 3X ≥ Yfalse
- 4X ≤ Yfalse
- 5X = Y or no relation can be establishedfalse
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Answer : 2. "X < Y"
Q:Directions: In the following question, two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.
I. X3 = 125
II. Y3 = 8
741 064e5e90a640c09b72f94f250
64e5e90a640c09b72f94f250II. Y3 = 8
- 1X > Ytrue
- 2X < Yfalse
- 3X ≥ Yfalse
- 4X ≤ Yfalse
- 5X = Y or no relation can be establishedfalse
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Answer : 1. "X > Y"
Q:Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. x² – 12x + 32 = 0
II. 2y² – 9y + 10 = 0
578 064dcc486d4a4292bfff45c04
64dcc486d4a4292bfff45c04II. 2y² – 9y + 10 = 0
- 1x > ytrue
- 2x < yfalse
- 3x ≥ yfalse
- 4x ≤ yfalse
- 5x = y or the relationship between x and y cannot be established.false
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Answer : 1. "x > y"
Q: What are the roots of the quadratic equations?
$$(x^2 + 3x - 154 = 0)$$
2163 05d9319659fdacf792844437d
5d9319659fdacf792844437d- 111, 14false
- 211, -14true
- 314, -11false
- 414, -22false
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Answer : 2. "11, -14"
Q: Express 15625 as a power of 5?
987 06204ff1485a08f2f63917099
6204ff1485a08f2f63917099- 1$$4^5$$false
- 2$$5^6$$true
- 3$$5^5$$false
- 4$$6^5$$false
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Answer : 2. "$$5^6$$"
Q: If x1 and x2 are the roots of the equations bx2-ax + log2my=0 such that x12=a2+x22 then evaluate the roots in terms of a and b.
1378 0600e929e377d750b4eb49c40
600e929e377d750b4eb49c40- 1$$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$true
- 2$$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-a^{2})}$$false
- 3$$ {a\over2ab}{(b^{2}-1)},{a\over2ab}{(1-b^{2})}$$false
- 4$$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-b^{2})}$$false
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Answer : 1. "$$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$"
Q: In equation $$ {x^{2}-24x+k=0}$$ the first root is x=2 then find out the second root of equation.
1476 05f87f11ae6aa3e1d0bcb886a
5f87f11ae6aa3e1d0bcb886a- 1x=-22false
- 2x=12false
- 3x=22true
- 4x=-12false
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