Numbers
This type of number can be counted on your fingers.
(Whole Numbers, Natural Numbers, Integer, Rational Numbers, Irrational Numbers, Imaginary Numbers, Real Numbers)
Natural Numbers (Counting Numbers)
What does a linear function look like?
A straight line.
Foil: (x + 2)(x + 4)
x^2 + 6x + 8
Jack and Allison have 60 marbles. Jack has 5 times more marbles than Allison.
How many marbles do Jack and Allison have?
Jack has 50 marbles.
Allison has 10 marbles.
Who won Giants vs Patriots yesterday?
Patriots
Even + Odd = ?
Odd
What is the slope-intercept form of a linear equation?
y=mx+b
Factor: x^2 - x - 12
(x-4)(x+3)
The length of the Princeton basketball court is five more than twice the width. If the perimeter of the court is 112 meters, how long is the court?
The length is 39 meters.
What island is Pearl Harbor located on?
Oahu
The function, f(x), is defined by:
(x+1)2 - 2, where x is an odd number.
The function is the set of which type of number?
Even
Points (15, 8) and (10, 7) are on a straight line. What is the slope of this line?
1/5
Find the vertex of the parabola:
y=3x^2+12x−12
If Austin scores a 78 and 85 on his first two tests, what does he need to score on his third test to average an 87 for all three?
98
What is measured in Hertz?
Frequency.
What is the type of number that includes the set:
{0,1,2,3,4...}
Whole Numbers
Two linear functions are defined below:
f(x)=-9/5x+12.8
g(x)=-9/5x-7.8
Determine what quality these two functions have in similarity.
Parallel
Factor: x^2 + 12x + 35
(x + 7)(x + 5)
Neal ate four more than three times the number of cookies as Claire. If they ate 44 cookies together, how many cookies did Neal eat?
Neal ate 34 cookies.
What former pro athlete played Matthew McConaughey's father in the 2006 movie "Failure to Launch"?
Terry Bradshaw
The sum of five consecutive even integers is 50.
What are the numbers?
6, 8, 10, 12, 14
Explanation: x+(x+2)+(x+4)+(x+6)+(x+8) = 50
5x+20=50
x=6
What line is perpendicular to 3x+5y=15 and passes through (3,2)
y=5/3x−3
The discriminant of a quadratic equation is:
B^2-4ac
Find and explain the discriminant of
2x^2 - 4x + 1 = 0.
(Hint: Is it real, imaginary, and how many?)
8
2 Real Roots
Hunter, Manolo, and Jason go laser tagging. Manolo gets five more than two times the number of kills as Hunter. Jason gets twice as many kills as Manolo. If the three of us had 92 kills altogether, how many kills did Jason get?
Jason got 54 kills.
Who was the 39th president?
Jimmy Carter