solving by factoring applications

Oct 14th, 2015
RockCafe
Category:
Mathematics
Price: $10 USD

Question description

Find all solutions to the polynomial equation. 

x^4 - 34x^2 + 225 = 0


a. 9, 25

b. 3, 5

c. 3, -3, 5, -5

d. 1, -1, 15, -15



Find all solutions to the polynomial equation.

3(3x - 4)(2x - 7) = 0


a. 4/3, 7/2

b. 3, -4/3, -7/2

c. -3, 4/3, 7/2

d. -4/3, -7/2



Find all solutions to the polynomial equation.

x(5x + 2) = 3


a. 3 comma bevelled 1 fifth

b. minus 3 comma minus bevelled 1 fifth

c. bevelled fraction numerator 3 over denominator 5 comma space minus 1 end fraction

d. minus bevelled 3 over 5 comma space 1



Find all solutions to the polynomial equation. 

c squared over 20 minus c over 4 plus space 1 fifth equals space 0


a. 4, -5

b. 4, 1

c. -4, -1

d. -5, 1



Find all solutions to the polynomial equation.

x3 - x = 2x2 - 2


a. 1, 2

b. -1, -2

c. -1, 1, -2

d. -1, 1, 2



The shorter leg of a right triangle is 3 centimeters less than the other  leg. The hypotenuse is 15 centimeters. Which equation can be used to  find the lengths of the legs of the right triangle? 


a. (x-3)^2 + x^2 = 15^2

b. (x-3)^2 + (x+3)^2 =15^2

c. (x-3)^2 + (x-15)^2 = 0

d. (x+3)^2 + (x-15)^2 = 0



The shorter leg of a right triangle is 3 centimeters less than the other leg. The hypotenuse is 15 centimeters. What are the lengths of the legs of the right triangle?


a. 9, 6

b. 9, 12

c. 12, 15

d. 18, 21



After t seconds, the height h(t) of a model rocket launched from the ground into the air is given by the function below

h(t)= -16t2 + 80t

How long does it take the rocket to reach a height of 96 feet?


a. 1 seconds

b. 6 seconds

c. 2 seconds

d. 101 seconds



Which graph is shown by the polynomial function below?

g(x) = 2x(x - 2)(x + 1)


a. http://www.intervisualtechnology.us/data/1/15517/u5l6Q1A.jpg

b. http://www.intervisualtechnology.us/data/1/15518/u5l6Q1B.jpg

c. http://www.intervisualtechnology.us/data/1/15519/u5l6Q1C.jpg

d. http://www.intervisualtechnology.us/data/1/15520/u5l6Q1D.jpg



Which polynomial could be modeled by the graph of r(x) shown below?


a. r(x) = (x - 3)(x + 1)(x - 4)

b. r(x) = (x - 1)(x + 3)(x + 4)

c. r(x) = (x - 11)(x - 3)(x + 1)(x - 4)

d. r(x) = (x + 11)(x - 1)(x + 3)(x + 4)




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