The value of the following expression:
3/8*(5^2-1)+3/5÷3/2
What is 9 2/5
100
Write the equivalent expression to: 8(y+2)-1/3(6y-9)
What is 6y+19
100
Supplementary angles add up to ___˚.
Complementary angles add up to ___˚.
A circle measures ___˚.
The exterior angles of any figure add up to ___˚.
What is 180, 90, 360, 360
100
The list below shows the number of seconds it took the members of a swim team to swim the 50-meter freestyle.
38.7, 34.1, 27.9, 34.1, 47.7, 33.7, 29.8, 28.4, 25.8, and 30.1
If the longest time is removed from the team's data, which measure of central tendency(mean, median, mode) changes? How will this new central measure differ from the old one?
The mean is changed
The new mean will be less than the old mean
100
The number of significant digits in the number 4,090.50
What is 5
200
Ann lives in Kirby, where the sales tax rate is 7.1%. She wants to buy an LCD televesion that costs $498.88. How much will the television cost, including the sales tax?
What is $534.30
200
Find the solution to the following equation, then check your solution.
3/4(20+n)=(3/4*20)+(3/4*12)
What number property is used above?
What is n=12
Distributive Property
200
Triangle PQR has vertices at P(1, 2), Q(1, 6), and R(8, 6). If it is rotated 90˚ clockwise around point P, what will be the coordinates of R'?
What is (5, -5)
200
Suppose the same number is added to each peice of data in a set. Which of the following statements is true?
a.) The mode will not change
b.) The range will not change
c.) The mean will not change
d.) The median will not change
What is b
200
What is 53.4*8.6 expressed to the correct number of significant digits?
What is 460
300
Write a rule for the recursive sequence, using the notation "Next=Now..."
1/4, 1/2, 1, 2...
What is Next=Now*2
300
Slope intercept form of the equation: 6x+3y=-12
What is the slope?
What is the intercept?
What is y=-2x+4
m=-2
b=4
300
Mike is flying a kite. He has let out 65 ft. of string. Brenda is standing directly under the kite, and is 25 ft. from Mike. How high above the ground is the kite? (Hint: Draw a picture, a kite flies at a slant from where you stand).
What is 60 ft
300
Libby makes bracelets, necklaces, and earrings. At a craft fair she sold 225 peices of jewelry. One-third of the peices were bracelets, 40% were necklaces, and the rest were earrings. How many more necklaces did she sell than earrings?
What is 30
300
a.) The measures of two interior angles of a triangle are 78˚ and 47˚. What is the measure of the third angle?
b.) The measures of three interior angles of a trapezoid are 63˚, 92˚, and 114˚. What is the measure of the fourth angle?
a.)55˚
b.) 91˚
400
Before exercising, Amanda's pulse rate was 70. After exercising, her pulse rate was 98. What was the percent of increase in her pulse rate?
What is 40%
400
If the value of the slope in the linear equation y=3x-1 is changed to -3, how will the graph be affected?
The graph will fall from left to right(the same amount of units) instead of rising from left to right.
400
Rectangle ABCD has vertices at A(-4, 2), B(4, 2), C(4, -2), D (-4, -2). If a scale factor od 2 is used to produce dilation A'B'C'D', what is the area of A'B'C'D?
What is 128 sq units
400
The list below shows the number of seconds it took the members of a swim team to swim the 50-meter freestyle.
38.7, 34.1, 27.9, 34.1, 47.7, 33.7, 29.8, 28.4, 25.8, and 30.1
Make a box and whisker plot of the data above.
50% of the swimmers finished the 50-meter freestyle in ___seconds or less. Which measure did you use to answer this?
See box and whisker plots, the median
400
A playground is 64 feet long and 48 feet wide. What is the distance along the diagonal of the playground.
What is 80 feet
500
Celia is ordering high speed internet. There is an installation fee of $50 and the monthly cost is $35. Write an equation showing the cost, C of high speed internet for m months.
What is C=50+35m
500
Which of the following representations of a linear function is not equivalent to the others?
a.) y=2x+3
b.) Put in a table:(-3, -3), (-1, 1), (2, 7)
c.) 6x+3y=9
d.) Make graph: x-intercept at -2 and y-intercept at 3
What is c
500
Parallelogram WXYZ has the coordinates W(-5, 2), X(-5, 5), Y(-2,4), Z(-2, 8). Find the coordinates of W'X'Y'Z' if it is translated 8 units right and 1 unit down.
What is W(3, 1), X(3, 4), Y(6, 3), Z(6, 7)
500
a.) What are the next three terms in the pattern below?
9, 13, 17, 21, 25...
b.) What is the rule for the pattern using explicit notation?(meaning that you can use the rule to find any term number in the sequence)
c.) What is the 15th number in the sequence? (Use your rule)
What is 29, 33, 37
4n+5
65
500
A rectangular prism has a height of 6 cm, a width of 4 cm, and a length of 8 cm. If a cross section is made parallel to its base, what shape would be formed? What is the perimeter of the cross section?