Saturday, December 19, 2015

Mathematics test answers of 2016.

Find Complete and recently updated Correct Question and answers of Mathematics. All Answers updated regularly with new questions. Upwork Mathematics test answers of 2016.



Question:* 9+9+2+5

Answer: • 25

Question:* Which of the following represents the base associated with the natural logarithm?

Answer: • e

Question:* Solve for x: 37 - 4x =1

Answer: • x=9

Question:* Solve for n: 4+2n=t

Answer: • n=(t-4)/2

Question:* Find the value of x in x/3=6/9

Answer: • 2

Question:* What is the measure of a right angle?

Answer: • 90 degrees

Question:* Which of the following numbers is largest? -18 -2 -3 -0.5

Answer: • -0.5

Question:* What is the elapsed time between 9:15 AM and 9:30 PM

Answer: • 12hr. 15 min.

Question:* If x+y=y, what is x equal to?

Answer: • 0

Question:* Solve for w: w/2 = 7/9

Answer: • w= 14/9

Question:* A cab charges $0.75 per mile. What is the cost of 10 mile trip?

Answer: • $7.50

Question:* How many degrees are there in a circle?

Answer: • 360

Question:* What is the sum of degrees in a triangle?

Answer: • 180

Question:* Solve for x and y: (x-2)(y+3)=0

Answer: • x=2 or y=-3

Question:* Which number is a prime number ?

Answer: • 17

Question:* -2(3x+2y)=?

Answer: • -6x-4y

Question:* What is the average of 1, 2, 3, 4,5?

Answer: • 3

Question:* Simplify: 6x+3y-4x-5y

Answer: • 2x-2y

Question:* x^2 - 4=?

Answer: • (x-2)(x+2)

Question:* Which of these is equivalent to 4x-8?

Answer: • 4(x-2)

Question:* Solve for x: 5x+3=2

Answer: • x=-1/5

Question:* Solve for x: x^3=-1

Answer: • x=-1

Question:* Simplify: x-4y+6x+2y

Answer: • 7x-2y

Question:* Solve for t: 2+2t=n

Answer: • t=(n-2)/2

Question:* What is 5% of 65?

Answer: • 3.25

Question:* 3^4 =

Answer: • 81

Question:* Solve for x: (x-2)(x+3)=0

Answer: • x=2 or x=-3

Question:* Which is the correct?

Answer: • a^0=1

Question:* 2^3+3^2=?

Answer: • 17

Question:* Simplify: 24 / 36

Answer: • 2 / 3

Question:* Simplify: x^2 + 6x + 9

Answer: • (x+3)^2

Question:* Solve for x: 1/x + 2/x = 1

Answer: • x=3

Question:* Solve for x: 2x-3>1

Answer: • x > 2

Question:* Ln 1 = ??

Answer: • 0

Question:* 9+2*5+5

Answer: • 24

Question:* What number is 30% of 240?

Answer: • 72

Question:* Solve for x: x+4x+4=0

Answer: • -4/5

Question:* What is the next number in the sequence: 2 4 16

Answer: • 256

Question:* What is the next term in this series? {1, 1, 2, 3 , __ }

Answer: • 5

Question:* Solve for x: x-2x+1=0

Answer: • x=1

Question:* Which of the following is a sextic equation ?

Answer: • x^6 + 3x^3 + 4x^2 = 5

Question:* What is true about an acute angle?

Answer: • Measures less than 90 degrees

Question:* If a cube has side length 's' where s = 8, what is the volume of the cube ?

Answer: • 512

Question:* Simplify the Square root of 32.

Answer: • 4*the square root of 2

Question:* If two angle measures in a triangle are 83 and 29 what is the measure of the third angle?

Answer: • 68

Question:* What number is 70% of 370?

Answer: • 259

Question:* Find f '(x) of this: x^2 + x^3

Answer: • 2x + 3x^2

Question:* Solve for x: x + 7/3 = 5

Answer: • x = 8/3

Question:* 4 - 5 x 2 + 7 =?

Answer: • 1

Question:* What is the discriminant of the quadratic equation y = ax^2 + bx + c ?

Answer: • b^2 - 4ac

Question:* What is the derivative w.r.t 'x' of the function f(x) = 6sin(3x) ?

Answer: • 18cos(3x)

Question:* Solve x for: x^2+4x+4 = 0

Answer: • x= -2

Question:* If 3x=6x-15 then x + 8=

Answer: • 13

Question:* If the discriminant of a quadratic equation is zero, what must be true?

Answer: • There is one unique root.

Question:* Factor: x^2-2x-8

Answer: • (x+2)(x-4)

Question:* Which of the following is NOT a valid identity?

Answer: • ln(x - y) = ln(x) - ln(y)

Question:* A triangle has three angles named a,b, and c. Angle a = 23° and Angle b = 68°. What must be true about angle c ?

Answer: • Angle c is acute.

Question:* The sum of n/2 for values between 1 and n, as n approaches infinity, approaches ___ .

Answer: • infinity

Question:* 3^x=81

Answer: • 4

Question:* Solve for x: x-6x = 3x-56 ?

Answer: • x = 7

Question:* a(n) = a(n - 2) + a(n - 1), a(0) = 1, a(1) = 1 defines which sequence?

Answer: • The Fibonacci Sequence

Question:* Find the midpoint of line point A(2,5) and B(-1,7)

Answer: • (1/2,6)

Question:* What is the slope of a line that passes through the points (3, 7) and (-4, 8)?

Answer: • -1/7

Question:* Which of the following describes the Real Numbers?

Answer: • The union of the rational numbers and the irrational numbers.

Question:* aX^2+bX+c = 0 , If Answers are X = p , X = q what is the value of p+q

Answer: • p+q = -b/a

Question:* if sin A=4/5 Then cos A=?

Answer: • 3/5

Question:* If x^2 -3x -4 = 0 then x=?

Answer: • -1 or 4

Question:* Evaluate 1+2+3+4+5+...+95+96+97+98+99+100

Answer: • 5050

Question:* What is the contrapositive of the statement "If I walked outside, then it will rain." ?

Answer: • If it does not rain, then I did not walk outside.

Question:* Which of the following are the factors of x^2 - x - 5?

Answer: • (x - 3) and (x + 2)

Question:* What is 400° when converted into radians ?

Answer: • [20/9] π radians

Question:* Consider a right triangle with an adjacent side of 3 meters and the opposite side has a length of 4 meters. Which expression represents cos(θ) for the triangle described above?

Answer: • 3/5

Question:* Which set of coefficients from Pascal's triangle would you use in the expansion of (a+b)^5 ?

Answer: • 1 5 10 10 5 1

Question:* What is the value of ln(4e), where 'e' is the natural base ?

Answer: • ln(4) + 1

Question:* A trapezoid has bases measuring 6cm and 4cm and its height is 3cm. Find its area.

Answer: • 15 square cm

Question:* Consider a circular sector with angle θ = 45° and radius r = 16 meters. What is the arc length of the circular sector?

Answer: • 4π meters

Question:* Which is NOT a perfect cube?

Answer: • 225

Question:* If the volume of a cube is 27, what is the surface area of the cube?

Answer: • 54

Question:* Which is NOT a purpose of Pascal's Triangle?

Answer: • Find the opposite angle of an Isosceles triangle.

Question:* If x^4 =1 ; then x^5 is ::

Answer: • Can't be determined

Question:* What is a fractal?

Answer: • An object or quantity that is self-similar on all scales

Question:* What is the equation of the horizontal asymptote of the function: f(x) = 3(x+3)(x-2)/(x+5)(x-1)

Answer: • y = 3

Question:* if the arithmetic, geometric and harmonic means between two positive numbers are A, G and H, then which is correct

Answer: • G^2=AH

Question:* If a quadratic equation 2x^2+8x+4=0 has two roots a and b, then a+b=?

Answer: • -4

Question:* What is the fourth value in the series (90, 80, 70) if an average of 85 is desired?

Answer: • 100

Question:* What is the slope of a line perpendicular to y = (5)(-2x + 1)

Answer: • 0.1

Question:* What is ∫ cot(x) dx ?

Answer: • ln|sin(x)| + C

Question:* What is the probability of rolling a sum of 5 with two standard six sided dice? (simplest form)

Answer: • 1/9

Question:* What is tan(120°) to the nearest hundredth?

Answer: • -1.73

Question:* Which represents the Maclaurin series for the cosine function ?

Answer: • (-1)^n * Σ x^(2n) / (2n)! from n = 0 to infinity

Question:* Solve for y: y^3 = 27



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