All About a Vertex
Solving for x
A Formula For Your Memory
The Most Complex of Numbers
Miscellaneous
100
What form is the following function written in? f(x) = 7(x + 2) - 6 A) Standard form B) Vertex form
B) Vertex form
100
Find the zeros of 3x^2 - 3x - 18.
By factoring, x = 3 or x = -2.
100
What is the quadratic formula? Write it on the board.
Refer to chalkboard...
100
i^1 = ? i^2 = ? i^3 = ? i^4 = ?
i^1 = i i^2 = -1 i^3 = -i i^4 = 1
100
Know how to solve quadratic inequalities.
Lesson 5.7
200
What is the vertex of the following? f(x) = 7(x + 2) - 6
(-2, -6)
200
Solve 144x^2 = 49.
x = +/- 7/12
200
Given that the zeros of a function are -3 and 6, write this function in standard form.
x^2 - 3x - 18
200
Simplify i^12.
i^12 = i^4 = 1
200
Know how to write a function that contains 3 given points.
Lesson 5.8
300
What is the y-intercept of the following function? f(x) = -3x^2 + 7X - 5
(0, -5)
300
Find the zeros of x^2 + 21x + 108.
x = -9 or x = -12
300
What is the portion under the square root of the quadratic formula called? I.e., b^2 - 4ac.
the discriminant
300
Simplify i^21.
i^21 = i^1 = i
300
Would you expect the following quadratic function to have a minimum or a maximum? f(x) = -x^2 + 6x + 9
Maximum
400
What formula do you apply to find the x-value of the vertex of a quadratic function?
x = -b / 2a
400
Find the zeros of 4x^2 - 25.
x = (+/-) 5/2
400
What kind of solution (real and/or complex) and how many solutions (2, 1, or 0) will a quadratic function have when the discriminant is negative?
2 complex solutions
400
Simplify the square root of -99.
3squareroot11 i
400
Simplify (i^8)(square root -24)
2squareroot6 i
500
Find the minimum or maximum of f(x) = x^2 - 6x -16?
Minimum of -25
500
Solve 25x^2 - 12 = 0
x = (+/-) 2radical3 over 5 ...refer to board...
500
Use the quadratic formula to solve 2x^2 + 8x + 3.
x = -2 plus or minus the square root of (10) over 2 ...refer to board...
500
Simplify (4/5 + 3i)(5 - i).
7 + 14 1/5 i
500
Simplify -7(i^18)
7
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