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What else can I help you with?
What is a number real?
a number that cant be written on a number line. (ex. √-1) (the check is a square root sign)
What are the compositions of the real number system?
The real number system is composed of the counting numbers (1, 2, 3...).
Is a fraction a real number?
It can be but it need not be. For example, i/2, where i is the imaginary sqrt of -1, is not real.
What are 3 examples of a real number that is not an irrational number?
5, 6.5, 1/2
Which sentence demonstrates the multiplicative identity?
1/2 times 1 = 1/2 The definition of Multiplicative identity: the number 1 (for real number) hope that helps
What family of real numbers does 1 half belong to?
1/2 is a rational number
What is an example of a rational number an integer and a real number?
1/2, 5, pi, respectively
Identify the difference between natural number and real number?
The set of natural numbers or counting numbers N is a subset of the set of real numbers R. N = {1, 2, 3, ...) R = {..., -2, -1, -0.5, 0, 1, √2, 2, 3, π, ...}
What is the quare root of -1?
The square root of -1 is not a real number like -2.5, 0, or 5. Instead, it is and imaginary number, i, and i = the square root of -1. The answer is imaginary because you can never take a real number, square it, and get a negative number. However, i^2 = -1.
Is phi a real number?
Yes. It is equal to (1 + sqrt5) / 2 = ~1.618 which, though irrational, is a purely real number; i.e. it has no imaginary component.
Give number that represent real number?
2 is a real number.
What part of a quadratic formula determines the number of x- intercepts?
The discriminant. b^2 - 4ac answer > 1; two real roots answer = 1 one real root answer < 1 no real roots
