Vocabulary
What is the variable in this expression?
5x-18
x
multiply these binomials:
(x+2) (x-7)
x^2-5x-14
Simplify and write in standard form:
(4x^2+2x-6)+(x^2+3x+5)
5x^2+5x-1
simplify using exponent rules:
x^2*x^3
x^5
distribute:
2(2x+3)
4x+6
What is the constant in this expression?
7x+20
20
multiply:
(x-4) (x-3)
x^2-7x+12
simplify this to write in standard form:
(3x^2 - 5x + 4) + (-2x^2 + 6x - 9)
x^2 + x - 5
simplify using exponent rules:
2x^2*4x
8x^3
distribute:
2g (g+20)
2g^2+40g
What is the 3 in this expression?
3x^2-5x+9
coefficient
multiply:
(2x+5)(x+3)
2x^2+11x+15
What is the Key Rule when subtracting polynomials?
distribute the negative FIRST, to change the second parenthesis
simplify using exponent rules:
x^10/x^5
x^5
distribute:
-6h(3h+5)
-18h^2-30h
What is the 6 in this expression?
2x^2+6x-14
coefficient
multiply:
(3x-9)(2x+2)
6x^2-12x-18
(5x^2-2x+7)-(3x^2-4x+1)
subtract:
2x^2+2x+6
simplify using exponent rules:
x^8/x
x^7
distribute:
2x(3x^2+4x-5)
6x^3+8x^2-10x
Write an example of an expression using one variable with one coefficient and label both correctly.
answers will vary
multiply:
(2x-1)(7x-4)
14x^2-15x+4
subtract:
(8x^2+x-6)-(4x^2-3x+2)
4x^2+4x-8
simplify using exponent rules:
2x^3*3x^6
6x^9
distribute:
4x(x^2-3x+6)
4x^3-12x^2+24x