User:
Quadratic Equations
- Solve a quadratic equation using square roots.
(Worksheet)
- Solve a quadratic equation by factoring
(Worksheet)
- Solve a quadratic equation using the quadratic formula.
(Worksheet)
- Using the discriminant
- Equations in Quadratic Form
- Problems
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Solve a quadratic equation using square roots
To solve the quadratic equations
ax
^{2}
+ c = 0
Isolate the variable.
Thake the square root of both sides.
Solve x
^{2}
-225=0
x=15 or x=-15
Solve 4x
^{2}
+100=0
Solve
No solution
One solution
x
=
Two solutions
x
_{1}
=
x
_{2}
=