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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 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 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 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. Click here to see answer by Fombitz(13828)

 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 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 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 josmiceli(9697)
 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 checkley77(12569)

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