Number Systems
What is the value of (-1/4-1/2) ÷ (-4/7) ?
a) -1 5/16
b) -3/7
c) 3/7
d) 1 5/16
d) 1 5/16
Which expression is equivalent to 8c + 6 - 3c -2 ?
a) 5c+4
b) 5c+8
c) 11c+4
d) 11c+8
a) 5c+4
A crew of highway workers paved 2/15 mile in 20 minutes. If they work at the same rate, what portion of a mile will they pave in one hour?
a) 1/150
b) 2/45
c) 2/5
d) 5/2
c) 2/5
What us the radius, in centimeters, of a circle that has a circumference of 16π centimeters?
*Formulas: C=πd C=2πr A=πr2
a) 8
b) 16
c) 32
d) 64
a) 8
Money is always written to _____ decimal places.
2
What is the decimal equivalent of the fraction 8/15?
0.53 repeating 3
Which expression is equivalent to (-18)-64n ?
a) -2(9-32n)
b) 2(9-32n)
c) -2(9+32n)
d) 2(9+32n)
c) -2(9+32n)
Julia's service charge at a beauty salon was $72.60, before tax. The sales tax rate was 8%. If she added 20% of the amount before tax as a tip, how much did she pay for the service at the salon?
a) $87.12
b) $92.93
c) $100.60
d) $145.20
b) $92.93
The circumference of a circle is 15π centimeters. What is the area of the circle in terms of π ?
*Formulas: C=πd C=2πr A=πr2
a) 7.5π cm2
b) 15π cm2
c) 56.25π cm2
d) 225π cm2
c) 56.25π cm2
When rounding 0,1,2,3,4 the number being rounded _________ and 5,6,7,8,9 the number being rounded ____________.
stays the same
goes up by 1
Which expression can go in the blank to make the equation true?
-4.5 + 4.4 + ____ = 0
a) -6.7+6.8
b) -6.7+(-6.6)
c) 7.2+(-7.2)
d) 7.2+(-7.3)
a) -6.7+6.8
David bought a computer that 20% off the regular price of $1,080. If an 8% sales tax was added to the cost of the computer, what was the total price David paid for it ?
a) $302.40
b) $864.00
c) $933.12
d) $1,382.40
c) $933.12
Bananas cost $0.45 per pound. What equation is used to find C, the total cost of p pounds of bananas?
a) C=0.45p
b) C=p+0.45
c) 0.45C = p
d) 0.45+C=p
a) C=0.45p
The scale of a model train is 1 inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the length, in feet, of the actual train car?
a) 67.5
b) 32.4
c) 14.5
d) 2.7
a)
a) When we have a DISCOUNT/SALE, we _______ the percent and price then we ________.
b) When we have SALES TAX or TIP, we ________ the percent and price then we _________.
a) multiply; subtract
b) multiply; add
At midnight, the temperature was -8 degrees Fahrenheit. At noon, the temperature was 23 degrees Fahrenheit. Which expression represent the increase in temperature?
a) -8-23
b) |-8|-23
c) -8-|23|
d) |-8-23|
d) |-8-23|
Which expression is equivalent to 4.8 + 2.2w -1.4w +2.4 ?
a) 0.4(6+2w)
b) 0.8(9+w)
c) 1.6(3+2w)
d) 3.6(2+w)
b) 0.8(9+w)
A wall has a length of 42 feet and a width of 25.5 feet. If the total cost of the wallpaper was $771.12, what was the cost, in dollars, of the wallpaper per square foot?
a) $0.61
b) $0.72
c) $1.39
d) $1.65
b) $0.72
A spinner with seven equal-sized sections was used to play a game.
*It was used 250 times in the first game.
*Of those 250, the arrow landed on section 7 a total of 35 times.
*The same spinner was used 150 times in the second game.
How many times did the spinner most likely land on section 7 in the second game?
a) 14 b) 21 c) 30 d) 35
b) 21
a) Mean is the ______.
b) Median is the ________ number and the numbers must be in ______.
c) Mode is the number that occurs the ______.
d) Range is the ______ number minus the _____ number.
e) Interquartile range is _____ minus _______.
a) average
b) middle; order
c) most
d) highest; lowest
e) Q3; Q1
A number, n, is multiplied by -5/8. The product is -0.4. What is the value of n?
a) -16/25
b) -1/4
c) 1/4
d) 16/25
d) 16/25
Josh has a rewards card for a movie theater.
*He receives 15 points for becoming a rewards card holder.
*He earns 3.5 points for each visit to the movie theater.
*He needs at least 55 points to earn a free movie ticket.
Which inequality can Josh use to determine x, the minimum number of visits he needs to earn is first movie ticket?
a) 55 ≥ 3.5x+15
b) 55 ≥ 15x+3.5
c) 55 ≤ 3.5x+15
d) 55 ≤ 15x+3.5
c) 55 ≤ 3.5x+15
The bill for a dinner at a restaurant is $58.20, before sales tax and tip. Sales tac is 5% of the dinner bill. Tip is 20% of the dinner bill. How much is the total bill including tax and tip?
a) $83.20
b) $72.75
c) $62.27
d) $58.45
b) $72.75
Laticia randomly selected 25% of the 7th grade students in her school and asked them their favorite season. Of the students surveyed, 51 chose summer as their favorite season. Based on the data, what is the most reasonable prediction of the number of 7th grade students in her school who would choose summer as their favorite season?
a) 15 b) 75 c) 150 d) 200
d) 200
On the night before the test, you should _________ early.
Morning of the test, you should eat a _________ breakfast.
Be on time! Take your Time! Check your Work! Use the Calculator and process of Elimination! Answer all questions!
Good Luck Guys!!
go to bed; healthy