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Quadratic Equations

Quadratic equations describe the motion of a baseball after it connects with a bat, and the acceleration of gravity at the Earth's orbit.

Multiplying Quadratics

         

Which of the following is the expansion of

\[x(x+4)? \]

Which of the following is the expansion of

\[(x+3)(x+4) ? \]

It is given that

\[ ( 3x+9)(6x+8) = Ax^2 + Bx + C \]

is an algebraic identity. What is the value of \(B\)?

Simplify

\[(3 x^2 + x - 4)+(6 x^2 - 9x + 2). \]

What is the product of all the coefficients in the expansion of the expression \[\left(\frac{1}{5}x-9\right)\left(\frac{1}{3}x-5\right) ?\]

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