Basic Math question and answers for September 20, 2024
- Q Solve using elimination.x^2 + y2 = 41x^2-y2= 9x = 5, y = -4; x = 5, y = 4 or (5,-4), (5, 4)x = 5, y = 4; x =...
- Q The equation y = (-16t-2)(t-1) represents the height in feet of a beach ball thrown by a child as a function of time, t, in seconds.1. Find the zeros of...
- Q Use the quadratic formula to solve for x.3x+6x = -1
- Q Determine the type and number of solutions for the equation.x2 + 3x=8Choose the type and number of solutions.A. Imaginary solutions, 2B. Rational solutions, 2C. Irrational conjugates, 2D. Repeated solution, 1
- Q Solve the equation x + 9x - 30 using the Quadratic Formula.Give your answers as two separate numbers in exact form.
- Q If a quadratic function has no real solutions, then what can be concluded about the discriminant of the function?The discriminant must be positive.The discriminant must be zero.The discriminant could be...
- Q In trying to factor 3x - 7x - 6, Tina determine that the proper numbers for multiplying and adding were -9 and +2. Which expression would be the next step?...
- Q Find the formula, in standard form y = ax + bx+c, for a quadratic that has roots at x = -9 and x = 5, and has leading coefficient of...
- Q A patient has an illness that typically lasts about 24 hours. The temperature, T, in degrees Fahrenheit, of the patient t hours after the illness begins is given by:T(t) =...
- Q Which expression is the same asx-12+3x3x + x + 123x + x - 12-3x + x + 123x - x + 12
- Q Suppose the average number of vehicles arriving at the main gate of an amusement park is equal to 10 per minute, while the average number of average waiting time in...
- Q After using the discriminant on a quadratic, a student got a positive number. What can the student determine from this infoA The quadratic has one x- intercept.B The quadratic has...
- Q Solve the following rational inequality x-6/x^2-64< 0.State your answer using interval notation. Use U for union and oo for ?.
- Q The vertex form of the quadratic function f(x) = -7x +28x - 23 is (x) = a(x ? h) + k.-What is the value of a?What is the value of...
- Q Graph the equation y = -x - 10x - 24 on the accompanying set of axes. You mustplot 5 points including the roots and the vertex.
- Q Given the function f(x) = 3x - 3x + 8. Calculate the following values:f(? 2) =f(? 1) =f(0) =f(1) =f(2)=
- Q Solve the following equation using the quadratic formula.24x = 2x + 3The solution set is.(Simplify your answer, including any radicals and i as needed. Use integers or fractions for any...
- Q The following equation has two real solutions, one of which is zero.9x - 288x^3/4= 0Find the other (non-zero) solution.Give your answer as a simplified integer or improper fraction, if necessary....
- Q Divide using the quotient rule.42xy/7xy
- Q A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using...
- Q Solve the following equation using the quadratic formula.5x ? 8x=4*****Points: 0 of 1Next questionThe solution set is.(Simplify your answer, including any radicals and i as needed. Use integers or fractions...
- Q Add. For answer, simplify numerator, but write denominator in factored form.6T58z+164
- Q Solve the equation for all values of x by completing the square. x - 16 = -6x
- Q Solve the equation using any method. Show your thinking. (2 poirExplain why you chose that method using academic vocabulary. (x 22x + 121 = 1602-
- Q A population has a normal distribution. A sample of size n is selected from this population. Describe the shape of the samplingdistribution of the sample mean for the following case.O...
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