Basic Skills
What is the top number in a fraction called?
Numerator
What do the letters of PEMDAS represent?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
How do we determine the degree of a polynomial?
The highest exponent represents the degree.
(3x4 + 2x - 1 means this is a 4th degree polynomial)
What am I finding if I use this formula?
5(F - 32)/9 = C
The temperature in degrees Centigrade
What acronym is used to remember the most common trig ratios?
SOH-CAH-TOA
What is the value of 50?
One
Which quadratic function is called the "Parent Function"?
y = x2 or f(x) = x2
Add the following terms:
(4x2 + 2x + 7) + (6x2 + 8x + 3)
10x2 + 10x + 10
What am I looking for if I use the following formula?
m = (y2 - y1)/(x2 - x1)
The slope of a line
Whose theorem do we borrow when discussing trigonometry?
Pythagorus
What numbers, 10 and under, is the number 150 divisible by?
1, 2, 3, 5, 6 and 10
Name all eight of the factors of 56?
1, 2, 4, 7, 8, 14, 28 and 56
What are the factors of x2 + 7x + 12?
(x + 3)(x + 4)
In many quadratic word problems, the function started with: -16t2
What did that represent?
Gravity
Which 2 sides would be divided to find the tangent of an angle?
Opposite divided by the adjacent
How many even numbers are also prime numbers?
One (2)
Which common geometric shape is rarely found in breakfast cereals?
Triangles
Give an example of Difference of Squares using the lowest possible terms.
x2 - 1
In the function f(x) = -16t2 + 64x + 128, what does the last number (128) likely represent?
The height of the object when t = 0 seconds.
What is the measurement of the angle that is always across from the hypotenuse in a right triangle?
90 degrees
How would you read the following decimal correctly?
.4567
Four thousand five hundred sixty-seven ten thousandths
How old is Mr. Lewis if his age falls exactly in between 2 prime numbers?
Example: If he was very young, his age could fall between the prime numbers 3 and 5. He would be 4 years old.
60 (Falls in between 59 and 61)
What method of factoring polynomials that we covered in class can be used to derive the Quadratic Formula from the Standard Form of a Quadratic?
Completing the Square
When using the Quadratic Formula, what does finding a negative value under the radical tell you?
The graph of the parabola will not cross the x -axis.
Why can't the sine or cosine of a right triangle ever be greater than one?
The hypotenuse is always the longest side.