Description : If ̳α ‘ and ̳β ‘ are the zeroes of a quadratic polynomial x 2 − 5x + b and α − β = 1, then the value of ̳b‘ is (a) – 5 (b) 6 (c) 5 (d) – 6
Last Answer : (b) 6
Description : Zeroes of a polynomial can be expressed graphically. Number of zeroes of polynomial is equal to number of points where the graph of polynomial is: (a) Intersects x-axis (b) Intersects y-axis (c) Intersects y-axis or x-axis (d) None of the above
Last Answer : (a) Intersects x-axis
Description : In fig. given below, the number of zeroes of the polynomial f(x) is a) 1 (b) 2 (c) 3 (d) None
Last Answer : (c) 3
Description : The value of quadratic polynomial f (x) = 2x 2 – 3x- 2 at x = -2 is ...... (a) 12 (b) 15 (c) -12 (d) 16
Last Answer : (a) 12
Description : If -√5 and √5 are the roots of the quadratic polynomial. Find the quadratic polynomial. (a) x-5 (b) (x-5)(x+5) (c) x 2 – 5 (d) x 2 – 25
Last Answer : (c) x 2 – 5
Description : If one zero of the quadratic polynomial x 2 + 3x + k is 2, then the value of k is (a) 10 (b) –10 (c) 5 (d) –5
Last Answer : (b) –10
Description : Which of the following is the correct identification of the polynomial: a) Rubina says it‘s a linear polynomial. b) Shruti calls it a quadratic polynomial. c) Both calls it a trinomial. d) Both b) and c) are correct.
Last Answer : d) Both b) and c) are correct.
Description : If α and β are the zeroes of the polynomial 5x 2 – 7x + 2, then sum of their reciprocals is: (a) 14/25 (b) 7/5 (c) 2/5 (d) 7/2
Last Answer : (d) 7/2
Description : If α and 1/α are the zeroes of the polynomial ax2 + bx + c, then value of c is (a) 0(b) a (c) -a (d) 1
Last Answer : (a) 0
Description : If α, β are the zeroes of the polynomial x2 – 16, then αβ(α + β) is (a) 0 (b) 4 (c) -4 (d) 16
Description : The maximum number of zeroes that a polynomial of degree 4 can have is (a) One (b) Two (c) Three (d) Four
Last Answer : (d) Four
Description : The zeroes of the quadratic polynomial `x^(2) - 24x + 143` are
Last Answer : The zeroes of the quadratic polynomial `x^(2) - 24x + 143` are
Description : If the sum of zeroes of the quadratic polynomial 3x2 – kx + 6 is 3, then find the value of k. -Maths 9th
Last Answer : Here a = 3, b = -k, c = 6 Sum of the zeroes, (α + β) = − = 3 …..(given) ⇒ −(−)3 = 3 ⇒ k = 9
Description : If α , β are the zeroes of f(x) = px 2 – 2x + 3p and α + β = αβ then the value of p is: (a) 1/3 (b) -2/3 (c) 2/3 (d) -1/3
Last Answer : (c) 2/3
Description : Zeroes of p(x) = x 2 -27 are: (a) ±9√3 (b) ±3√3 (c) ±7√3 (d) None of the above
Last Answer : (b) ±3√3
Description : The number of polynomials having zeroes as -2 and 5 is: (a) 1 (b) 2 (c) 3 (d) More than 3
Last Answer : (d) More than 3
Description : Value of polynomial when x = -1 is: a) 12 b) 13 c) 14 d) -12
Last Answer : a) 12
Description : Solution of this polynomial is : a) x =2 , x = -3 b) x =2 , x = 3 c) x = -2 , x = -3 d) x =-2 , x = 3
Last Answer : b) x =2 , x = 3
Description : The graph of the polynomial p(x) = 3x – 2 is a straight line which intersects the x-axis at exactly one point namely (a) (−2/3, 0) (b) (0, −2/3) (c) (2/3, 0) (d)( 2/3, −2/3)
Last Answer : (c) (2/3, 0)
Description : The degree of the polynomial, x 4 – x 2 +2 is (a) 2 (b) 4 (c) 1 (d) 0
Last Answer : (b) 4
Description : A quadratic reciprocity question to finish my thesis?
Last Answer : Yes, it can be done. Yes…. Done.
Description : How would one find the discriminant of a quadratic equation?
Last Answer : http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut17_quad.htm
Description : Do you know of any website that can solve quadratic inequalities?
Last Answer : answer:Been a while since I've done math I think the result set would be the unbounded interval (-∞, ∞) a.k.a the set of all real numbers. But a web site to tell you that? Hmmmm They'd likely be ... anyone turns something up. - [Edit]: you could write your equation as: x^2 - x - 4 >[equal] 0
Description : Chapter 4 Quadratic Equations
Last Answer : Chapter 4 Quadratic Equations
Description : Find the zeroes of the polynomial p(x)= (x – 2)2 – (x+ 2)2. -Maths 9th
Last Answer : Given, polynomial is p(x) = (x – 2)2 – (x+ 2)2 For zeroes of polynomial, put p(x) = 0 (x – 2)2 – (x+ 2)2 = 0 (x-2 + x+2)(x-2-x-2) = 0 [using identity, a2-b2 =(a-b)(a + b)] ⇒ (2x)(-4) = 0
Description : If the sum of the zeroes of the polynomial p(x) = (k2 – 14) x2 – 2x – 12 is 1, then find the value of k. -Maths 9th
Last Answer : p(x) = (k2 – 14) x2 – 2x – 12 Here a = k2 – 14, b = -2, c = -12 Sum of the zeroes, (α + β) = 1 …[Given] ⇒ − = 1 ⇒ −(−2)2−14 = 1 ⇒ k2 – 14 = 2 ⇒ k2 = 16 ⇒ k = ±4
Description : If the zeros of the polynomial `64x^3 - 144 x^2 + 92x – 15` are in AP, then the difference between the largest and the smallest zeroes of the polynomi
Last Answer : If the zeros of the polynomial `64x^3 - 144 x^2 + 92x - 15` are in AP, then the difference between the largest and ... 1 C. `(1)/(2)` D. `(3)/(8)`
Description : The graph of the polynomial ax2 + bx + c is an upward parabola if (a) a > 0 (b) a < 0 (b) a = 0 (d) None
Last Answer : (a) a > 0
Description : Is there any way to manipulate a sine function such that the amplitude when it is positive is larger than when it is negative?
Last Answer : Herp derp. I think I have an effective solution. Not quite what I was looking for, but. Just a slight vertical shift upwards. More of the wave will then lie above the x axis. If anyone has something better, do chime in!
Description : One of the zeroes of the polynomial 2x2 + 7x – 4 is -Maths 9th
Last Answer : (b) Let p (x) = 2x2 + 7x-4 = 2x2 + 8x-x-4 [by splitting middle term] = 2x(x+ 4)-1(x+ 4) = (2x-1)(x+ 4) For zeroes of p(x), put p(x) = 0 ⇒ (2x -1) (x + 4) = 0 ⇒ 2x-1 = 0 and x+4 = 0 ⇒ x = 1/2 and x = -4 Hence, one of the zeroes of the polynomial p(x) is 1/2.
Description : Find the zeroes of the polynomial in each of the following, -Maths 9th
Last Answer : (i) Given, polynomial is p(x) = x- 4 For zero of polynomial, put p(x) = x-4 = 0 ⇒ x= 4 Hence, zero of polynomial is 4. (ii) Given, polynomial is g(x) = 3-6x For zero of polynomial, put g(x) ... polynomial h(y) = 2 y For zero of polynomial, put h(y) = 0 2y= 0 Hence, the zero of polynomial is 0,
Description : Is polynomial y4 + 4y2 + 5 have zeroes or not? -Maths 10th
Last Answer : Y4+4y2+5=y4+4y2+4 +1 =(y2+2)2+1 The first term being square,it will be equal to zero or greater than zero. Therefore (y2+2)2+1 will not be zero for any value of y. Therefore given polynomial have no zeroes.
Description : If the product of two zeroes of polynomial 2x3 + 3x2 – 5x – 6 is 3, then find its third zero. -Maths 10th
Last Answer : The third zero is 1. Step-by-step explanation: Given the polynomial The product of two zeroes is 3 we have to find the third zero As product of two zeroes is 3 Let ab=3 Therefore, 3c=3 ⇒ c=1 hence, the third zero is 1.
Description : The value of sec A or cosec A is always —————- a. Less than or equal to one b. Greater than or equal to one c. Equal to one d. Negative
Last Answer : b. Greater than or equal to one
Description : If the sum of the roots of a quadratic equation, is positive and product of the roots is negative, the numerically greater root has `"_____"` sign. [p
Last Answer : If the sum of the roots of a quadratic equation, is positive and product of the roots is negative, ... root has `"_____"` sign. [positive/negative]
Description : If `f(x)={x}+{x+[(x)/(1+x^(2))]}+{x+[(x)/(1+2x^(2))]}+{x+[(x)/(1+3x^(2))]}.......+{x+[(x)/(1+99x^(2))]}`, then values of `[f(sqrt(3))]` is where `[*]`
Last Answer : If `f(x)={x}+{x+[(x)/(1+x^(2))]}+{x+[(x)/(1+2x^(2))]}+{x+[(x)/(1+3x^(2))]} ... represent fractional part function) A. `5050` B. `4950` C. `17` D. `73`
Description : The values of the remainder r, when a positive integer a is divided by 3 are (a) 0, 1, 2(b) Only 1 (c) Only 0 or 1 (d) 1, 2
Last Answer : (a) 0, 1, 2
Description : For any two positive integers a and b, HCF (a, b) × LCM (a, b) = (a) 1 (b) (a × b)/2 (c) a/b (d) a × b
Last Answer : (d) a × b
Description : There are 312, 260 and 156 students in class X, XI and XII respectively. Buses are to be hired to take these students to a picnic. Find the maximum number of students who can sit in a bus if each bus takes equal number of students (a) 52 (b) 56 (c) 48 (d) 63
Last Answer : (a) 52
Description : "Ravi is 10 years older than Rehan. Five years ago, one-seventh of Ravi's age was equal to one-fifth of Rehan's age." If Rehan's age be 'x' years and Ravi's age be 'y' years, which of the following pair of linear equations is ... y = 10 and 7x + 5y - 10 = 0 (d) x - y = -10 and 7y - 5x + 10 = 0
Last Answer : (b) y -x = 10 and 5y -7x + 10 = 0
Description : If cos X = a/b, then sin X is equal to: a (b 2 -a 2 )/b b b−a/b c √(b 2 -a 2 )/b d √b−a/b
Last Answer : c √(b 2 -a 2 )/b
Description : The quadratic equation `x^2-1088x+295680=0` has two positive integral roots whose greatest common divisor is 16. The least common multiple of the two
Last Answer : The quadratic equation `x^2-1088x+295680=0` has two positive integral roots whose greatest common divisor is ... A. 18240 B. 18480 C. 18960 D. 19240
Description : Why does any number raised to an exponent of zero equal 1?
Last Answer : answer:I can't remember the math proving it, but I sort of remember when I questioned it myself when doing A-levels maths that I realised that it equals the number being divided by itself, which is ... negative numbers, so please let me know as I do not have any proper calculator to do this with.
Description : Why don't these two identical math equations equal the same thing? (See picture.)
Last Answer : Once the gif started cutting the boxes into pieces, it’s all optical illusion. they changed the number of boxes in the rectangle with that little geometric magic.
Description : ΔABC ~ ΔPQR. Area of ΔABC = 81 cm2 and area of ΔPQR =121 cm2. If altitudeAD = 9 cm, then PM is equal to (a) 9 cm (b) 11 cm (c) 10cm (d) None of these
Last Answer : (b) 11 cm
Description : In a square of side 10 cm, its diagonal is equal to (a) 15 cm (b) 10√2 cm (c) 20 cm (d) 12 cm
Last Answer : (b) 10√2 cm
Description : In|| AB. If CD = 3 cm, EC = 4 cm, BE = 6 cm, then DA is equal to (a) 7.5 cm (b) 3 cm (c) 4.5 cm (d) 6 cm
Last Answer : (c) 4.5 cm