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Press MATH. Then go down to the last option, which says "Solver...". Press Enter. If you do not see "eqn:0=" then press the up arrow until you do. Now type your quadratic equation in. It will automatically be set equal to zero. (Use the button to the left of ALPHA for a variable, or use a capital letter as your variable(s). Put the cursor over the value next to the variable you want to solve for. Then press ALPHA and then SOLVE (the ENTER key. Notice that SOLVE is written in green above the ENTER key.) You will get an answer. Type in other values next to the variable to solve for other possible answers. You will normally get the answer closest to the one that is next to the variable before you press solve.
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How do you solve a quadratic equation graphically?
The roots of the quadratic equation are the x-intercepts of the curve.
How do you formulate quadratic equation that can be solve by extracting square roots?
By using the quadratic equation formula
How do you solve a quadratic equation that will not factor?
How you solve an equation that doesn't factor is to plug a quadratic equation's format; ax2+bx+c into the quadratic formula which is x=-b+square root to (b2-4ac)/2a.
How do you solve quadratic functions step by step?
There are different methods of using quadratic functions depending on the equation.
Solve this quadratic equation x2 plus 2x - 22 equals 0?
Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523
