Y= 2x^2+4x-3 if you were to do a quadratic formula then what is a, b, and c?

part 2: will the parabola open up or down?

part 3: find the axis of symmetry.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Can someone me with my math problem pls my teacher is on my back about this

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?