Algebra Test 1

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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


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