Thursday
December 12, 2013

# Posts by -Untamed-

Total # Posts: 91

Math
Determine for what value(s) of d the quadratic equation 5x^2-10x+d = 0 has i) real and distinct roots ii)real and equal roots iii)non-real roots This is what I did to solve for A. 5x^2-10x+d = 0 b^2-4ac = 0 (-10)^2-4(5)(d) = 0 100-20d = 0 -20d = -100 d = 5 Need help with others.

Math
The graph of a quadratic function has vertex(3,-4) and passes through the point (4,1). Find the equation of the function in standard form. Rewrite the equation in general form. Could someone explain to me how to do this, just don't understand.

Math
Where does that two in the denominator go? Since it has to cancel out with all terms.

Math
Solve the following quadratic equation(as exact values) using the quadratic formula. x^2-10x-15=0 I got 5+-2sqrt10/2. ^ Sorry hard to write it out. But basically there is a 5 there, the negative sign is supposed to be under the positive sign, then there is a two outside of the...

Math
The graph of a quadratic function has vertex(3,-4) and passes through the point (4,1). Find the equation of the function in standard form. Rewrite the equation in general form. Could someone explain to me how to do this, just don't understand.

Math
Got the answer:)

Math
x^3 + 8x^2 = 20x How do I find the root of ^ that equation? 2x^2-10x+12 = 0 ^ I found that one by... 2(x-3)(x-2) x-3 = 0 x = 3 x-2 = 0 x =2 ^ Is that the correct way to solve for that one

Math
Thanks so much!

Math
f(x) = 5x^2 - 35x I converted ^ that equation to.. 5x^2-35x = 0 How do I go about from here to determine the zeros and the y intercept?

Math
Thanks so much MathMate =)

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