Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 331785: given the provided quadratic function
A. find the value of the discriminant
B. Use the descriminant to determine the number and type of solutions
C. find the xintercepts
D find the yintercepts
Click here to see answer by Jk22(389) 
Question 331977: Hello, Im stuck can i please have some help. Thank you, kindly!
In 1995 the Life Expectancy of a certain country was 68.9 years. In 2002 it was 71.1 years. Let E represent the life expectancy in year T and let year T represent the number of years since 1995.
E(t) = __t+___
(round to the nearest tenth)
Use the function to predict the life expectancy in males in 2005.
E(10)= _____
(Round to nearest tenth)
Click here to see answer by nerdybill(7375) 
Question 331983: The baseball player throws a ball, and the height of the ball (in feet) can be approximated by the quadratic function where x is the horizontal position of the ball measured in feet from the origin.
A. For what value of x will the ball reach its highest point? round to the nearest foot.
B. What is the maximum height of the ball? round to the nearest tenth of a foot.
Click here to see answer by nerdybill(7375) 
Question 332279: I need help with this one please.
Graph the quadratic function
f(x)= 4(x+5)^21
Complete all of the steps required to find the information needed to be able to graph the function by hand.
Thankyou ahead of time. I sincerely appreciate your time.
Click here to see answer by jim_thompson5910(33401) 
Question 332228: The braking distance (in feet) of a car going V mph is given by v is greater or equal to 0.
how fast would the car have been traveling for a braking distance of 150feet? round to nearest mile per hour.
Click here to see answer by edjones(8007) 
Question 332405: Hello
If a pro basket ball player has a verticle leap of about 20 inches what is his hang time? Use the hang time function V=48T^2
His hand time is ___seconds
simplify asnwer, type an integer,or decimal round to the nearest tenth
Thank you
Click here to see answer by Alan3354(47455) 
Question 332417: Hello, Please help
A: solve 3x^25x7=0
B: find the xintercept of
F(X)=3x^25x7
what are the soulutions x=
type an exact answers, using radicals as needed. Express complex numbers in terms of i use a comma to separate
Click here to see answer by Alan3354(47455) 
Question 332783: college algebra
use an equality and the five step process to solve the problem
translate
reword
carryout
check
state
dg's plumbing and heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $450 for an emergency call. how long to the nearest hour was the plumber at bill's house?
Click here to see answer by mananth(14512) 
Question 332810: I cannot find a stepbystep guide to show me how to work this equation to get an answer, My examples show to put equation into au^2 + bu + c = 0.
The problem is
w^4  12w^2  2 = 0
Put into above form it is
u^2  12u  2 = 0
Then I am stuck. Do I use the quadratic formula and how do I change it back to get w's solution after solving for u? Thanks in advance.
Click here to see answer by solver91311(20879) 
Question 332832: Opentop box.Thomas is going to make an opentop box by cutting equal squares from the four corners of an 11inch by 14inch sheet of cardboard and folding up the sides.If the area of the base is to be 80 square inches, then What size square should be cut from each corner?
Click here to see answer by ankor@dixienet.com(18980) 

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