| Factoring | Square Root and Complex Numbers | Completing the Square | Quadratic Formula | Random Review |
|---|---|---|---|---|
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A perfect square
(z+3)^2 is an example of
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The positive and negative square roots
A square root of a positive number will always have 2 solutions, which are
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When a = 1
When can you skip the first step of completing the square?
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Discriminant
The term that you end up with under the radical is called the
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Golf
What is Mr. Lee's favorite hobby?
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Diamond method
When a does not equal 1, we can use this method to factor a quadratic expression.
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-1
i^2 is equal to
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(b/2)^2
What is the formula for the term that we add to the left (and right side) of the equation to find the perfect square?
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x= (-b ± √(b^2-4ac))/(2a)
What is the quadratic formula?
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Mr. Lee, of course
Who is your favorite teacher?
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(x+5)^2
Factor:
x^2 + 10 + 25 |
2i√10
Factor and simplify
√-40 |
n = 3 and -1
Solve for n (make sure to factor)
n^2− 2n − 3 = 0 |
k = 1 and -6
Solve for k (make sure to factor):
k^2 + 5k − 6 = 0 |
-(b/2a)
What is the formula for finding the axis of symmetry in a standard form quadratic function?
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(x+3)(x+2)
Factor:
-3x^2 - 15x - 18 = 0 |
x = ± 2√3
Solve for x (make sure to factor):
3x^2 + 5 = 41 |
x = 1 and -15
Solve for x (make sure to factor):
x^2 + 14x − 15 = 0 |
x = 5 and -8
Solve for x (make sure to factor):
x^2 = −3x + 40 |
8
How many different words in the tongue twister "How much wood could a woodchuck...."?
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x = 0 and 6/11
Factor and find the zeros:
y = 22x^2-12x |
x = ± 2i√6
Solve for x (make sure to factor):
2x^2 + 11 = -37 |
p = ± √87 - 7
Solve for p (make sure to factor):
p^2+ 14p − 38 = 0 |
n = 2 and -3/2
Solve for n (make sure to factor):
2n^2 − n − 4 = 2 |
12 pounds
At Honey Beepot, the bulk price for honey is $2.50 per pound, with a minimum purchase of 20 pounds. If Bobby paid $80 for some honey, by how many pounds did Bobby's purchase exceed the minimum?
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