Use the quadratic equation: x = [-b +- sqrt(b^2-4ac)]/2a The +- means you get two answers, one by adding, one by subtracting.
No, it must have two answers.
NO!!!! On a graph a quadratic equation becomes a parabolic curve. If this curve intersects the x-axis in two places. then there are two different answers. If the curve just touches the x-axix on one place then there are two answers which both have the same valuer. If the curve does NOT touch the x-axis the there are NO solutions.
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This does not factor to whole numbers. You need to use the quadratic formula... -b+-sqrt[b2-4(a)(c)] / 2a Your equation is this [below]. Identify what a,b and c equals and put it into your quadratic formula. 3m2-88 a=3 b=0 c=-88 when you work this out you get two answers but they are not whole numbers. your answers are 5.416 an -5.416
Use the quadratic equation: x = [-b +- sqrt(b^2-4ac)]/2a The +- means you get two answers, one by adding, one by subtracting.
6x^2-x-1
No, it must have two answers.
factor of eigth divission of quadratic symbol
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The quadratic formula is used today to find the solutions to quadratic equations, which are equations of the form ax^2 + bx + c = 0. By using the quadratic formula, we can determine the values of x that satisfy the quadratic equation and represent the points where the graph of the equation intersects the x-axis.
plug some numbers in for your variable and see if the factored answers match the pre-factored answer
No, expressions cannot have the same value in algebra. They may be assigned to different values and on solving we can get different answers in each case.
imaginary numbers occur in the quadratic formula because of the radical symbol, and the possibility of a negative radican and that results in imaginary numbers. I hope this helped!
Are you sure you typed this correctly? Using normal methods this not factorable -- it si PRIME for the integers. You can use the quadratic formula, but that gives irrational answers for this quadratic.
No answers in integers, quadratic formula gives roots as 1.31 and -0.19
What are the answers to unit 27 independent practice