Enter an open parenthesis here negative b make sure you use the negative sign here apha key B plus squared root which isthe 2nd key and this x squared key enteran open parenthesis here B squared whichis the alpha key B then this x squared button. Typing in the quadratic formula on a TI-84 CE to calculate the solutions to a quadratic equaiton. Factor the quadratic completely.
X b b2 4ac2a x b b 2 4 a c 2 a Substitute the given values into the formula.
6x12x7 0 6 x 12 x 7 0 is a quadratic equation in standard form. Find two numbers that multiply to give ac in other words a times c and add to give b. X 2 xy y 2 21. If you need help factoring trinomials when a ne 1 then go here.