FOIL
Simplify the expression:
(x+3)(x-5)
x2 - 2x - 15
Trent plants a sunflower that is 6 inches tall. The sunflower is expected to grow at an average rate of 1.5 inches per day during the next month. Create an equation for the situation.
y=6+1.5x (or equivalent)
An equation is given: 5y - 2x = 5
Name an ordered pair that represents one point on the graph of the equation.
(0, 1)
(5, 3)
Find the solution:
3x + 4/5 = 7 - 2x
x = 31/25 or 1 6/25
What term refers to all possible output/y values in a data set?
Range
Simplify the expression:
(y-7)(y+7)
y2-49
A sequence is shown.
1, 2, 4, 8, 16
Write a function f(n) that describes the sequence.
f(n)=2^(n-1)
Which letter of the alphabet does not appear in any US state names?
Q
Find the solution:
12(x + 5) = 4x
x=-7.5
A function is given:
f(x) = 4x - 7
What is the value of f(-2)?
-6.9375 or -6 15/16
(m+5)2
m2+10m+25
Madison bought b pounds of bananas and p pounds of pears and spent a total of 10.38. The price of bananas is $0.60 per pound. The price of pears is $1.74 per pound. Write an equation for the situation.
0.60b+1.74p=10.38
What is the colorful part of the eye called?
Iris
x > -1
Draw an example of a histogram (must include labels and at least 3 bars)
Answers will vary
Simplify the expression:
(w+6)(w+8)
w2+14w+48
What type of function will eventually always be greater: exponential or quadratic?
Exponential
When did Apple release the first iPhone?
2007
What two numbers have a sum of 175 and a difference of 71?
123 and 52
Name the 5 parts of a 5-number-summary/box-and-whisker plot
minimum, 1st quartile, median, 3rd quartile, maximum
Simplify the expression:
(2x+y)(2x+3y)
4x2+8xy+3y2
The number of bacteria on a microscope slide doubles every hour. There are initially 4 bacteria present. Write a function f(n) that models the growth after n hours.
f(n) = 4 * 2n-1
What can run but never walk, has a mouth but never talks, has a head but never weeps, and has a bed but never sleeps?
Solve the inequality
-8x + 7 < -3x + 22
x > -3
Give an example of a strong negative correlation coefficient
anything between -1 and -0.5