Parts of Expressions
What is a variable? (What does it stand for, and an example)
"4 more than a number"
x + 4
What do you call a cat that loves to swim?
a catfish
Combine Like Terms:
5x + 2x + 6
7x + 6
x - 5 = 10
x = 15
What is a coefficient?
A number that's with the variable (2x, 2 is the coefficient)
double a number plus 7
2x + 7
What begins with T, ends with T, and has T in it?
a teapot
Combine Like terms:
7y + 2x - 5y + 8x +2
2y +10x +2
2x = 30
x = 15
What is a constant?
(a number in an expression without a variable with it) 2x +5, 5 is a constant
4 less than a number times 5
5x - 4
The more there is the less you see, what is it?
Darkness
Distribute:
2(3x + 4)
6x + 8
3x + 2 = 14
x = 4
4x + 5 What is the coefficient? What is the constant?
Coeff: 4
Constant: 5
7 more than a number divided by 6
x/6 + 7
Whose birthday is this Friday?
Mr. Spenser
Distribute:
3(5y - 6)
15y - 18
2(x + 5) = 20
x = 5
7 + 8x + 2 +3y What are your coefficients? What are your constants?
Coeff: 8, 3
Constants: 7, 2
3 less than a number squared
x^2 - 3
Where does Thursday come after Friday?
the dictionary
Factor:
4x + 24
4(x+6)
(x + 5) / 2 = 8
x = 11