Probability
What is the probability of rolling an even number on a standard, six-sided di?
1/2
X/3 = 15
x = 45
What is the distance between -5 and 2 on the number line?
7
2 + 3 - 1 + 2
6
What is the slope of the line represented by the following equation?
y = 1/2x - 2
1/2
If you draw a card at random from a standard, 52-card deck, what is the probability that it will be a Heart?
1/4
Given the function: f(x) = 3x2 - 6
Find f(-3)
21
5.6 x 1.2
6.72
2(4) + 3 - 1
10
Line Q has a slope of 1/4. What is the slope of line R, which is perpendicular to line Q?
-4
The weather forecast says that there will be a 60% chance of rain on each day of a three-day weekend. What is the probability that it will rain all three days?
21.6%
A triangle has a base of 8 cm and an area of 16 cm. Find its height.
4cm
What is the Greatest Common Factor of 54 and 72?
18
(3 + 10) - 5 - 15(2)2
-52
What is the slope of the line represented by the following expression?
-3x = 9 + 3y
-1
A bag of M&M's has 5 red, 6 blue, 3 green, and 8 yellow. If you take out two M&M's at random, what is the probability that they will both be yellow?
4/33
A cylindrical can has a volume of 125 cubic centimeters and a radius of 5cm. What is it's height?
5π = 15.71cm
Which value of x makes the expression (on the board) undefined?
4
___2(8) - 4(12)_____
62 - (5)(4) - 2(4)2
2
What is the slope of the line that passes through points (2,1) and (-3,2)?
-1/5
If you randomly choose three cards from a standard, 52-card deck, what is the probability that they will all be Queens? Give your answer as a percent rounded to the hundredths place.
.02%
Owen is hired to do landscaping. He is given $100 up front and an additional $15 for every hour of work. Write and algebraic expression that could be used to find how much money (Y) he will earn, given the hours worked (X).
y = 15x + 100
Which value of x makes the expression (on the board) undefined?
x < 3
(anything less than three)
Your instructor will write the expression on the board. Good luck!
undefined
Describe the appearance of a line whose slope is undefined.
a vertical line