Mr. Hansen bikes at 8 miles per hour. Write an expression for the number of miles he'll bike in h hours.
8h
200
In the term 8y, the 8 is called the _____________.
coefficient
200
(−3)⁴ = ?
81
200
What is the square root of 49?
7
200
−(−8 x 3)
24
300
A rectangle has a width of w and a length of 12. What expression could you use to find the perimeter?
2w + 2(12)
300
In the expression x + 7, the 7 is the ____________.
constant
300
−3² = ?
−9
300
What is the cube root of 216?
6
300
½ x ⅓ = ?
¹⁄₆
400
Mary is 14 years old. Jeff is x years younger. Paul is twice as old as Jeff. Write an expression for Jeff's age and one for Paul's age.
Jeff = 14 − x; Paul = 2(14 − x)
400
For 5³ the 5 is the _________ and the 3 is the _________.
base, exponent
400
(¾)³ = ?
27/64
400
Give a simple definition of a square root.
A number that, when multiplied by itself, is equal to a perfect square.
400
9 x 8 + 7 x 6 =?
114
500
Explain the difference between "9 minus x" and "9 less than x."
"9 minus x" means you start with 9 and subtract x, so 9 − x. "9 less than x" means you start with x and then take 9 less than that, so x − 9.
500
A number that can be put in the form of a fraction is called a __________________ number.
rational
500
You text a photo to 2 friends (this is the 1st round). They each text it to 2 more friends. Those friends each text it to 2 more friends. And so on. How many people will receive the photo in the 5th round?