26 Questions
| Attempts: 1389

Questions and Answers

- 1.The expression "four less than a number" is the same as which of the following?
- A.
4-x

- B.
X-4

- 2.Four times the sum of nine and a number
- A.
4(9 + n)

- B.
4 x 9 + n

- C.
4 + n + 9

- D.
4n + 9

- 3.Three times Cassie's age increased by nine is twelve.
- A.
3x+12 - 9

- B.
3x + 9=12

- C.
3x + 12 = 9

- D.
3x + 5

- 4.Brett got on an elevator and rode up 10 floors. Next he rode down 7 floors. After that he went up 4 floors. Finally he went down 6 floors. When he got off the elevator he was on the 11th floor. What floor was he on when he started his ride?
- A.
8th floor

- B.
9th floor

- C.
10th floor

- D.
12th floor

- 5.Sara and Kim together have 15 pencils. Sara has 9 pencils. Mark and Kim together have 10 pencils. How many pencils does Mark have?
- A.
5

- B.
34

- C.
8

- D.
4

- 6.What is the algebraic expression for "a number f decreased by 18"?
- A.
18f

- B.
F + 18

- C.
F - 18

- D.
18 + f

- 7.
**The coefficient of x when you have 1.55x is.....**- A.
1.00

- B.
0.55

- C.
1.55

- D.
155

- 8.
**The coefficient of y when you have 22y/9 is.....**- A.
1/9

- B.
22/9

- C.
22

- 9.
**A FUNCTION is a "special" type of ____________.** - 10.
**The**__PURPOSE__of a Function and Relation is to*explain*__how something works__and__what is happening__! It describes what is happening using NUMBERS (that don't change) and VARIABLES (that can change).- A.
True

- B.
False

- 11.
**Which (**__variable__) do MATH BOOKS often use instead of "f(x)"? This (__variable__) and f(x) mean the same thing!!!Example: f(x) = x + 6 can also be written as (__variable__) = x + 6 - 12.
**If you have the Function....Juggling****(S) = 3 balls X _____ , where S = # of secondsWhat**__variable__should you put in the blank?!? - 13.
**Is this true or false?A FUNCTION is a**__SPECIAL TYPE__of RELATION. A RELATION is__not always__a FUNCTION.- A.
True

- B.
False

- 14.
**Check ALL the answers that are TRUE!Why did your classmates do weight lifting and Mr.Morehead juggle balls in class?**- A.
So I could learn how to "describe a situation" using numbers and variables

- B.
To help me understand the Purpose of a Function is to explain how something works!

- C.
So I could decide what INPUT, OUTPUT, and VARIABLES to use so my Function is easy to understand

- D.
Because Mr.Morehead used to be in a juggling circus

- 15.Steve had x dollars in his bank account and then he deposited $10 each week for 3 weeks. His total amount of money in the bank is now $70. What is x? ( How much money did he have to start?)
- A.
$60

- B.
$20

- C.
$40

- 16.What is the difference between an expression and an equation?Pick ONE answer
- A.
They are the same thing.

- B.
An equation has an equal sign, but an expression does not.

- C.
An equation has more numbers and an expression has more variables.

- 17.What does 25k mean?
- A.
25 added to k

- B.
The difference between k and 25

- C.
The product of 25 and k

- 18.The sum of three and twenty-two, divided by the number a
- A.
(3 + 22) / a

- B.
A / (3 + 22)

- C.
3 + 22 / a

- 19.
**Fill in the blank with the correct word!A _________ is a letter that represents a number(of something).Hint: the answer has 8 letters** - 20.
**Please fill in the answer below...The ____________ of a variable is the**__number in front of the variable__.Hint: the answer has 11 letters - 21.
**Translate from an English expression into an Algebraic expression:a decreased by 17***answer with NO SPACES*** Example: x+5** - 22.
**Translate from an English expression into an Algebraic expression:the ratio of m and n***answer with NO SPACES*** Example: x+5** - 23.
**Translate from an English expression into an Algebraic expression:8 less than the sum of a and b***answer with NO SPACES*** Example: x+5***HINT...don't forget the ()** - 24.
**Why is a**__Function so useful__when you are trying to__understand a situation__?Pick only one of the following answers- A.
A Function gives us an "EXACT" answer for every input!

- B.
A Function describes what is happening using "numbers" that don't change and "variables" for the things that can change.

- C.
Both of the above answers are CORRECT!!!!!!!!!!!!!!!!!!

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