How many modes does the following group od data have? :
64, 68, 64, 65, 68, 65, 72, 61
3 modes
100
Identify the slope and y-intercept of the following linear equation: y = 1/2x +3
1/2 and (0, 3)
100
When rolloing a number cube, what is the probability of rolling 2 even numbers?
1/4
100
What is the lenght of the hypotenuse of a triangle whose legs measure 4 ft and 5 ft?
6.4 ft
100
What is 0.00000845 written in scientific notation?
8.45 x 10^-6
200
Find the median of the set of data; 46, 56, 57, 63, 89, 44, 56
56
200
Show a line with a slope of zero.
horizontal line
200
When flipping a coin and rolling a number cube, what is the probability of flipping a tails and rolling a nuber greater than 2?
1/3
200
The hypotenuse of a certain right triangle is 18 inches long and one of the legs meausres 10 inches. What is the measure of the missing leg?
15 inches
200
Simplify using distributive property; -6(2n - 3).
-12n + 18
300
The daily balance in a checking account for 5 days is $30, $42, $25, $25, $34. What is the mean?
$31.20
300
What is the x and y-intercepts of teh linear equation: 2x + 3y = 6
(3,0) and (0, 2)
300
Jim has 5 blue pencils and 3 yellow pencils. He selects one at random and then another, without replacement. Find P(blue, then yellow).
15/56
300
Is the triangle with side lengths of 8 inches, 5 inches, and 4 inches a right triangle?
No
300
Simplify sqrt(6^2).
6
400
Which meausure of central tendency best describes the following situation?
Favorite pizza topping of 8th graders
mode
400
What is the sum of the x and y-intercepts of the linear equation: y = 3/4 x - 3?
1
400
You pick a marble from a bag containing 1 green marble, 4 red marbles, 2 yellow marbles, and 3 black marbles. You can replace the first marble and then select a second one. Find P(red, then black).
3/25
400
Is a right triangle with side lengths of sqrt(12) cm, sqrt(7) cm, and sqrt(5) cm a right triangle?
Yes
400
What is the value of the following equation if x = -1 and y =2; 3[x-y(2x + 3y)]?
-27
500
Sam's first 3 quiz scores are 90, 85, and 88. What will he need to make on his next quiz to recieve her mean quiz score tp 90?
97
500
What is the equation for a line that crosses the x-axis at 2 and the y-axis at -2?
y = x -2
500
Mike asks Carolyn to pick a number at random from 1 to 100, and then asks Jamie to do the same. what is the probability that both girls will select 49?
1/10000
500
What is the measure of the diagonal of a rectangle with a length of 20 inches and a width of 15 inches?
25 inches
500
What is the height of a rectangular prism with length 5 ft, width 2 ft, and volume of 120 ft squared?