Solving Quadratic Equations By The Quadratic Formula Worksheet Page 4
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16Step 2:
Write in standard form,
, if needed.
This quadratic equation is already in standard form.
Step 3:
Identify a, b, and
c.
a,
x
the number in front of
squared, is 1.
b
x
, the number in front of
, is 0.
b
x
Note that
is 0 because the
term is missing.
c
, the constant, is 9.
Make sure that you keep the sign that is in front of each of these
numbers.
Next we will plug it into the quadratic formula. Note that we are only
plugging in numbers, we don't also plug in the variable.
Step 4:
Plug the values found in step 3 into the
quadratic formula
AND
Step 5:
Simplify if possible.
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