Math 1 quiz Flashcards
Define Product
Answer to a multiplication problem
Define Exponent
The description of a number that has been multiplied by itself
Define Sum
Total or answer to an addition problem
Define square root
A portion of a number that when multiplied by itself equals the original number
Define Mixed Number
A number consisting of a whole number and a fraction
Numerator
Upper number of a fraction indicating the parts of the whole
Define percentage
A form of a fraction where the denominator will always be 100 and is not written
Define squared
Number of times a number is multiplied by itself as indicated by its exponent
Define Remainder
The number that is left over when a number is divided unequally
Define dividend
Quotient that results from dividing one number into another number
Define quotient
The answer to a division problem
Define proportion
A statement that two ratios are equal to each other
The lower or bottom number if a fraction is called a:
A. Portion
B. Numerator
C. Fractionatior
D. Denominator
D. Denominator
What is a denominator?
A. the bottom or lower number of a fraction
B. the upper or top number of a fraction
C. the number divided into a division problem
D. the answer to a division problem
A. the bottom or lower number of a fraction
The upper or top number of a fraction is called a:
A. portion
B. denominator
C. fractionator
D. numerator
D. numerator
What is a numerator?
A. the answer to a multiplication problem
B. the answer to a division problem
C. the bottom or lower number of a fraction
D. the upper or top number of a fraction
D. the upper or top number of a fraction
A fraction in which the top number is is larger than the bottom number is called a(n) ____ fraction
A. Proper
B. unnatural
C. improper
D. unconverted
C. improper
what is required to add or subtract fractions?
A. common numerator
B. common quotient
C. common dividend
D. common denominator
D. common denominator
which of the following is an exponential expression of 100,00 as a power of 10?
A. 10^3
B. 100^2
C. 10^5
D. 10^6
C. 10^5
What is the value of 2^8?
A. 28
B. 16
C. 256
D. 280
C. 256
Which metric preference is used to indicate 10?
A. Deci
B. Deca
C. Kilo
D. Centi
B. Deca
Which metric preference is used to indicate 1000?
A. Deci
B. Kilo
C. Hector
D. Milli
B. Kilo
What is the decimal form of 1/1000 second?
A. 0.1
B. 0.01
C. 0.001
D. 1.000
C. 0.001
Which of the following is equivalent to 30 milliseconds?
A. 1/1000 of a second
B. 0.30 seconds
C. 0.03
D. 1/30 seconds
C. 0.03 seconds
Which of the following is equivalent to 0.25 seconds?
A. 250 milliseconds
B. 25 milliseconds
C. 2.5 milliseconds
D. 0.025 milliseconds
A. 250 milliseconds
Convert 7/12 to a decimal
A. 0.583
B. 1.714
C. 19.83
D. 84.00
A. 0.583
Convert 87.3% to a decimal
A. 0.0873
B. 0.873
C. 8.73
D. 87.3
B. 0.873
Change 23.46 to a percentage
A. 0.2346%
B. 23.465%
C. 2346%
D. 234.6%
C. 2346%
74 kV (kilovolts) is equal to how many volts?
A. 74000
B. 74
C. 7400
D. 7.4
A. 74000
120,000 volts is equal to how many kilovolts?
A. 1200
B. 120
C. 12
D. 1.200
B. 120
1/2 + 1/4=
A. 1/2
B. 2/3
C. 1/4
D. 3/4
D. 3/4
1/2 - 1/3=
A. 1/6
B. 2/3
C. 1/2
D. 5/6
A. 1/6
5/8 x 7/9=
A. 12/17
B. 45/56
C. 12/72
D. 35/72
D. 35/72
1/6 / 4/5=
A. 1/5
B. 4/11
C. 5/24
D. 4/30
C. 5/24
if (x-6=16), what is the value of x?
A. 6
B. 10
C. 16
D. 22
D. 22
if (6x+2=20), what is the value of x?
A. 3
B. 4
C. 12
D. 18
A. 3
What’s the formula for determining mAs?
mA x seconds = mAs
Which combination of exposure factors will produce a total mAs of 50?
1) 50 mA and 10 milliseconds
2) 250 mA and 0.2 seconds
3) 500 mA and 0.01 seconds
A. 1 only
B. 2 only
C. 3 only
D. 1, 2, and 3
B. 2 only
If a radiograph is produced using an mA of 200 and 0.05 seconds, how should the exposure time be changed if the mA is increased to 400?
A. 0.025 seconds
B. 0.015 seconds
C. 0.20 seconds
D. 0.10 seconds
A. 0.025 seconds
If a radiograph is produced using an mA of 500 and 0.02 seconds, how should the exposure time be changed if the mA is decreased to 200?
A. 0.05 seconds
B. 0.025 seconds
C. 0.50 seconds
D. 10 seconds
A. 0.05 seconds
A satisfactory x-ray of the foot is produced using a technique of 300 mA, 0.05 seconds, 60 kVp, and an SID of 40 inches. How should the mA be changed if the exposure time is increased to 0.15 seconds?
A. 15 mA
B. 30 mA
C. 100 mA
D. 600 mA
C. 100 mA
A satisfactory x ray of the wrist is produced using a technique of 300 mA, 10 milliseconds, 55 kVp, and an SID of 38 inches. How should the mA be changed if the exposure time is increased to 15 milliseconds?
A. 200 mA
B. 400 mA
C. 255mA
D. 185 mA
A. 200 mA
what does Kilo- mean?
1000
what does Hecto- mean?
100
what does Deka/Deca- mean?
10
what does Deci- mean?
1/10 = 0.1
what does Centi- mean?
1/100 = 0.01
what does Milli- mean?
1/1000 = 0.001
what does Micro- mean?
1/1,000,000 = 0.000001
what does Nano- mean?
1/1,000,000,000 = 0.0000000001
