Answer to Question #56100 in Algebra for Bobby Bass

Question

16: Which of the following are solutions to the following equation?
4x^2 – 100 = 0
check all that apply

5

-10

-5

10


17: The value of 1 is a solution for x^2 -6x + 5 = 0

A: True
B: False



18: What is the value of the discernment in the equation shown below?

X^2 - 6x + 4 = 0

Answer: _____


19: Describe the roots of the equation shown below.
3x^2 – 10x – 5 = 0

A: There are two real, irrational roots.
B: There are two real, rational roots.
C: There is one real, double root.
D: There are two complex roots.

20: A ball is thrown vertically upward with an initial velocity of 5 ft per second from a height of 2 feet. Which function models its motion?

A: y = 16t^2 – 2t – 5

B: y = - 16t^2 – 5t – 2

C: y = - 16t^2 + 5t + 2

D: y = - 16t^2 + 2t + 5