Algebra Test 1
Multiply n by 3 then square the result
(3n)²
What is a Numerical Expression?
2 or more numbers/terms separated by + or -, no = sign. No variables
Multiply n by n then multiply by 3
3n²
Add 4 to n then divide by 5
4 + n/5
Formula for volume a sphere?
4Pir³/3
Add 4 to n then multiply by 5
5 (4+n)
Multiply n by 5, then add 4
5n + 4
What is the degree of the polynomial?: x³+y⁶
6
What is the degree of the polynomial?: 6² + 7x⁴y⁵ - 4 - 7y⁷
9
What is a Coefficient?
A number that proceeds a variable, telling us how many of the variables we have
What is a Term?
A single expression being added in a polynomial
What is an Equation?
A statement formed by placing an equal sign between 2 expressions
What is a Variable?
A symbol used to represent one or more numbers
What is a Constant?
A term with no variable factor, a number
What is an Algebraic Expression?
An expression with variables AND numbers
10n-5/5 = 2n-1: Incorrect or Correct?
Correct
What is the factor and degree of the monomial?: -3x²y³
Factor: -3*x*x*y*y*y Degree: 5
What is the factor and degree of the monomial?: 3m⁴
Factor: 3*m*m*m*m Degree: 4
2(n + 3) = 2n + 3: Incorrect or Correct?
Incorrect, because the distribution did not go to the 3, resulting in 2n + 6 like it should have
Formula of a cylinder?
Pir²h
Formula for volume a cone?
Pir²h/3
What is a Degree of a polynomial?
The highest degree of monomial within the polynomial
What is a Degree?
The number of times that the variable occurs as a factor in the monomial
What is a Factor?
When two or more numbers are multiplied, each of the numbers is a factor of the product
Formula for volume a cube?
l*w*h
Formula for volume of a pyramid?
l*w*h/3