Pre-Algebra Unit 2 Flashcards
(36 cards)
True or False. X - 6 translates as “a number subtracted from 6.”
False
True or False. 4 b + 19 can be translated as “nineteen more than the product of 4 and a number.”
True
True or False. To solve 38 = 6 x - 16, you would subtract 16 and then divide by 6.
False
True or False. One hundred is the solution of the equation m - 61 = 39.
True
True or False. “Five times a number” can be written as 5 x .
True
Which of the following steps could be used to solve the equation 93 = x + 58?
- Add 58 to both sides.
- Subtract 58 from both sides.
- Multiply both sides by 58.
- Divide both sides by 58.
- Subtract 58 from both sides
Which of the following is a solution for the equation 7 x + 21 = 105?
- 105
- 84
- 15
- 12
12
The senior class had a car wash to raise money for the senior trip. It cost them $35 for supplies. They washed 75 cars and charged $6 for each car.
Which of the following expressions represents the money they raised for their trip?
- $35 + 75 · $6
- $35 - 75 · $6
- 75 · $6 - $35
- 75 - $35 · $6
75 · $6 - $35
All of the following represent the same expression except _____.
- 19 less than 25
- 25 less than 19
- 19 subtracted from 25
- 25 minus 19
25 less than 19
The following is a model showing the solution to an equation.
x - 34 = 13
x - 34 + 34 = 13 + 34
x = 47
What property of equality was used to solve the equation?
- addition
- subtraction
- multiplication
- division
Addition
The cost to rent a video game for 3 days was $10. It costs the same amount each day.
How could one find the cost to rent the video for one day?
- The cost to rent for one day is the product of $10 and 3
- The cost to rent for one day is the sum of $10 and 3
- The cost to rent for one day is the quotient of $10 and 3
- The cost to rent for one day is the difference of $10 and 3
The cost to rent for one day is the quotient of $10 and 3
Clarence solved the equation 3 x + 15 = 33 and showed the following work.
3 x + 15 = 33 3 x + 15 - 15 = 33 3 x = 33 = x = 11
Which of the following is true?
- x is 11.
- x should be 6.
- x should be 16.
- x should be 99.
X should be 6
Which of the following expressions represents “5 less than 3 times the number m “?
- 5 - 3 m
- 3 m - 5
- 5 m - 3
- 3 - 5 m
3 m - 5
Maria paid $48 for herself and two of her friends to go to a concert. The tickets are all the same price.
What equation could be used to find the price of one ticket?
- p = 3 · $48
- p = $48 - 3
- 3 = $48 p
- $48 = 3 p
$48 = 3 p
If g( n ) = 3 n - 2, then what is the value of g(10)?
- 4
- 28
- 308
- 24
28
Which term does not represent the same data as the others?
- x -value
- output
- range
- second element
x -value
Jen has collected information about the students in her class and the month they were born.
Which of the following statements would be true about this information?
- It is both a relation and a function.
- It is a relation but not a function.
- It is not a relation, but it is a function.
- It is neither a relation nor a function.
It is both a relation and a function
If y ( x ) = 4 x , what is x when y ( x ) = 4?
- 1
- 4
- 2
- 0
1
Which number set correctly represents the range of the given data?
{(0, 0), (2, 0), (3, 0), (5, 0)}
- {0}
- {0, 2}
- {0, 2, 3}
- {0, 2, 3, 5}
{0}
The sum of -5, -9, and 10 is _____.
- -4
- 14
- -14
- 4
-4
What is the change in temperature from -8°F to 14°F?
- 22°F
- -22°F
- -6°F
- 6°F
22°F
The value of 30 - (2 - 4) ÷ (-2) is _____.
- -16
- -14
- 31
- 29
29
The temperature was -12 degrees in the morning and rose to a high of 27 degrees for the day.
What was the increase in temperature for the day?
- 12 degrees
- 15 degrees
- 27 degrees
- 39 degrees
39 degrees
Jenna multiplied four numbers together and then divided by -2. The result was a positive value.
Which of the following statements MUST be true?
- None of the factors were negative.
- All of the factors were negative.
- An odd number of factors were negative.
- An even number of factors were negative.
An odd number of factor were negative
