Exponents, Prime Factorization and Expression
Name the exponent and the base in the following:
2^8
exponent: 8
base: 2
What is a variable?
a letter or symbol representing an unknown value
Are the following like terms?
2x 4x 7x
yes
What is the difference between an expression and an equation?
an equal sign
Who lives in a pineapple under the sea?
Spongebob Squarepants
How could you write the volume of a cube with a side of 4 cm using exponents? And what is the volume?
4^3
64 cm^3
How many terms are in the expression
5x^3-2x^3+6x-4
How many coefficients?
4
3
Are the following like terms?
x^2 8x
No
63=9x
x=7
What does AI stand for?
artificial intelligence
What is the prime factorization of 252?
2^2 x 3^2 x 7
A number plus 5
x+5
Simplify:
5x+4-3x+8
2x+12
Susan makes 60 muffins. She gives some to her choir and has 45 muffins left. How many muffins did she give to her choir?
15
What state do I live in?
Connecticut
Evaluate the expressions on the board.
18
8 less than 4 times a number
4x-8
Simplify:
4(x+7)
4x+28
Breana buys 6 books. Each book is the same price. Her total cost is $30. How much does each book cost?
$5
What is the chemical symbol for water?
H2O
In an old story, a man puts 2 grains of rice on the first space of a chess board. He puts 4 grains on the second space, 8 grains on the third space, and so on. Write and evaluate an expression with exponents to find how many grains of rice the man puts on the tenth space.
2^10
Mila's dog weighs 4 pounds more than 8 times the weight of Keiko's dog. Which expression could be used to find the weight of Mila's dog
4+ 8d
Simplify:
-2(x+8) - 7x + 2
-2x-16 - 7x + 2
-9x -14
Write a story problem to go with the following equation.
x+4=10
various answers
Before it was Washington D.C what was the capital of the U.S?
NYC