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Question 316859: Write the quadratic function in the form y = a(x - h)2 + k. Find the veertex, axis of symmetry, domain and range
y = -2x^2 - 8x - 5
Click here to see answer by Fombitz(13828)

Question 316877: Solve each system by the addition method.
2x+3y=18
5x-y=11
Click here to see answer by Fombitz(13828)

Question 316856: Determine whether there is a maximum or minimum value for the given function, and find that value.
f(x) = x2 + 8x + 13
Click here to see answer by nerdybill(6962)

Question 316861: Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.
f(x) = 7x^2 + 3, x ≥ 0
Click here to see answer by Theo(3464)

Question 316858: Write the quadratic function in the form y = a(x - h)2 + k. Find the veertex, axis of symmetry, domain and range
y = -2x2 - 8x - 5
Click here to see answer by solver91311(16897)

Question 316926: how do you find proprtional when the fractions are decimals. As in 0.6/0.3 is this proportional to 3/1.8
Click here to see answer by Fombitz(13828)

Question 317096: evaluate f(-1)=-2x+20 when x=-1
Click here to see answer by jim_thompson5910(28595)

Question 317088: x^(-2/3)*y^(k-1)*z^3/(x*y^k*z^(-2/3))
Click here to see answer by Fombitz(13828)

Question 317187: 6(1-4w)=-18
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Question 317215: Find the zeros of the polynomial function f(x)=x^7−x^5−16x^3+16x and state the multiplicity of each.

Click here to see answer by Fombitz(13828)

Question 317255: Using the intermediate value theorem determine, if possible, whether the function f(x)=2x^5−7x+1 has a real
zero between x=1 and x=2.
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Question 317256: Can intermediate value theorem be used to determine whether the function
f(x)=∣x∣−1 has a zero between
x=−3 and x=3 ? Explain.
Click here to see answer by Fombitz(13828)

Question 317260: Can intermediate value theorem be used to determine whether the function
f(x)=∣x∣−1 has a zero between x=−3 and x=3 ? Explain.
Click here to see answer by Fombitz(13828)

Question 317279: Determine the Zeros and their multiplicities by factoring f(x).
f(x)=x^3+2x^2+4x-8
Click here to see answer by Fombitz(13828)

Question 317571: Can I get an online tutor to help me review algebra 1?
Click here to see answer by unlockmath(1603)

Question 317827: Solve by factoring.
9y(2)+1=6y
Click here to see answer by Fombitz(13828)

Question 317926: trains a and b are traveling in the sam direction on paralle tracks train a is traveling at 100 miles per hour and train b is traveling at 120 miles perhour. Train a passes at station at 8:20 a.m. If train b passes the same station at 8.32 a.m at what time will train b catch up to train a?
Click here to see answer by stanbon(57377)

Question 317928: translate to an algebraic expression
The product of 19% and some number
The translation
type the percentage as a decimal
Click here to see answer by stanbon(57377)

Question 317970: I really need help with these last three problems and then I am done with the course! PLEASE HELP I am really confused....
(Solve by completing the square.)
1.x^2-6x=1
2.2x^2-3x+1=x0
3.x^2-x-1=0
Thank you for your time and help.
Click here to see answer by stanbon(57377)

Question 317931: a+b/10 for a = 38 and b=12
a +b/10=
simplify the answer
Click here to see answer by Alan3354(30993)

Question 318031: 1/x=4/3
Click here to see answer by jim_thompson5910(28595)

Question 318115: Y=x -4
Click here to see answer by jim_thompson5910(28595)

Question 318159: 2A/3=8+4A
Click here to see answer by edjones(7569)

Question 318317: Find the inverse of y=7x^2-3
Click here to see answer by Earlsdon(6287)

Question 318412: solve this problem.
and say if they are independent, dependent, or inconsistent.
The two problems go together.
5x = y - 7
20x = 4y

Click here to see answer by stanbon(57377)

Question 318438: 1/2x+6=3+2x

Click here to see answer by rfer(12666)

Question 318402: what is 3y
Click here to see answer by Fombitz(13828)

Question 318174: deleted
Click here to see answer by JBarnum(2044)

Question 318697: Solve by using Elimination.
1/14x + 1/2y = 11/7
1/3x + 2/15y = -38/15
Click here to see answer by stanbon(57377)

Question 318698: Solve by using Elimination.
-6x + 7y = -1
5x + 2y = 3
Click here to see answer by Fombitz(13828)

Question 318930: find three positive numbers whose sum is 32 and p =xy^2z is a maximum
Click here to see answer by Fombitz(13828)

Question 319038: A chemist has 10% and 16% acid solutions. How many liters of each solution are needed to produce 30 liters of a 14% acid solution?
Click here to see answer by Fombitz(13828)

Question 319036: How many ounces of a silver alloy costing $4 an ounce must be added to 10 ounces of an alloy costing $6 an ounce to produce an alloy that costs $4.32 per ounce? Complete the box and write the equation that would allow you to solve for the $4 amount (x). Solve for (x).
Click here to see answer by Fombitz(13828)

Question 319086: A box contains a radioactive substance. The number of kilograms r(t) at time t years is given by the formula r(t) = 2^-0.002149t. How long will it take until only one-half kilogram of the radioactive substance is left in the box?
Click here to see answer by Fombitz(13828)

Question 319091: If x = yz, find the value for x given that y = 2 and z = 5
Click here to see answer by Edwin McCravy(8909)

Question 319116: 6e^4x - 5 = 24
Click here to see answer by Fombitz(13828)

Question 319113: 1/5 log (x + 4) -1 = 0
Click here to see answer by Fombitz(13828)

Question 319126: 5x + 3 =
Click here to see answer by Fombitz(13828)

Question 319140: A certain radioactive isotope has a half-life of approximately 1700 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 25% of that amount?
Click here to see answer by scott8148(6628)

Question 319157: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by nyc_function(2733)

Question 319108: The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke^0.05t where k is a constant and t is the time in years. If the current population is 36,000, in how many years is the population expected to be 90,000? (Round to the nearest year.)
Click here to see answer by nyc_function(2733)

Question 319156: A lake is stocked with 496 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 3100.The population of fish in the lake after time t, in months, is given by the function, P(t) =3100/1 + 5.7e^-0.28t. After how many months will the population be 1289?
Click here to see answer by nyc_function(2733)

Question 319158: A dish of lasagna baked at 375°F is taken out of the oven into a kitchen that is 74°F. After 6 minutes, the temperature of the lasagna is 319.5°F. What will its temperature be 20 minutes after it was taken out of the oven? Round your answer to the nearest degree.
Click here to see answer by nyc_function(2733)

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