EM2 - Unit 1 Retake Flashcardizz

Front

What is the result of (5x^4 - 4x^3 - 2x^2 + x - 19) - (x^4 + 5x^3 + 8x^2 + x + 5)?

Back

4x^4 - 9x^3 - 10x^2 - 24

Front

Classify the number: 3

Back

natural, whole, integer, rational, real

Front

Simplify the expression: -8 (5b + 2) - 7 (b - 5)

Back

-47b + 19

Front

Factor Completely: 8x^3 - 18x

Back

2x(2x + 3)(2x - 3)

Front

Complete the formula: a³ + b³ = ?

Back

(a + b)(a² - ab + b²)

Front

What is the definition of a polynomial?

Back

A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

Front

What is the degree of the polynomial 4x^3 - 2x^2 + x - 5?

Back

The degree is 3, which is the highest exponent of the variable.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as such.

Front

What is the formula for the difference of cubes?

Back

a³ - b³ = (a - b)(a² + ab + b²)