Determine whether y varies directly with x. If so, and the constant of variation and write the equation
X Y
6 9.6
9 14.4
12 19.2
15 24

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Which of the following parabolas opens down?

The area of each triangle is 7 square units. the surface area of the triangular prism is