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Section 1

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Scientific notion

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1 / 24

Math

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Date created

Mar 1, 2020

Cards (24)

Section 1

(24 cards)

Scientific notion

Front

Is the way of writing a large number in a shorter form. EX 230,4000,000 is 2.304x10^8- decimal point is moved

Back

Prime number

Front

A whole number greater than 1 that has only two factors, itself and 1; that is, a number that can be divided evenly only by 1 and itself.

Back

Intersecting lines

Front

are lines that have exactly one point in common.

Back

improper fraction

Front

a fraction whose numerator is greater than its denominator

Back

Integers

Front

The set of whole positive and negative numbers, including zerodo not include fractions (13), decimals (0.56), or mixed numbers (734).

Back

Undefined fraction

Front

A fraction cannot have a denominator of zero

Back

law of cosines theorem

Front

C^2=a^2+b^2-2ab(cos C)

Back

A common factor

Front

is a number that divides exactly into two or more other numbers. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12, while the factors of 15 are 1, 3, 5, and 15. The factors of 12 and 15 are 1 and 3.

Back

Rational numbers

Front

all integers, decimals, and fractions. Any terminating or repeating decimal number

Back

Law of Sines Formula

Front

sinA/a = sinB/b = sinC/c

Back

Inverse proportion

Front

is a relationship in which an increase in one quantity is accompanied by a decrease in the other, or vice versa

Back

Irrational numbers

Front

cannot be written as fractions or decimals because the number of decimal places is infinite and there is no recurring pattern of digits within the number. For example, pi (π) begins with 3.141592 and continues without terminating or repeating, so pi is.

Back

Factors

Front

are numbers that are multiplied together to obtain a product. For example, in the equation 2×3=6, the numbers 2 and 3 are factors. A prime number has only two factors (1 and itself), but other numbers can have many

Back

Composite number

Front

A whole number greater than 1 that has more than two different factors; in other words, any whole number that is not a prime number. For example: the number 8 has the factors of 1, 2, 4, and 8.

Back

Greatest common factor (gcf)

Front

is the largest number that is a factor of two or more numbers. For example, the factors of 15 are 1, 3, 5, and 15; the factors of 35 are 1, 5, 7, and 35. Therefore, the common factor of 15 and 35 is 5.

Back

Pythagorean Theorem

Front

a²+b²=c²

Back

Pemdas solve 5+20÷4×(2+3)2−6

Front

124

Back

Least common multiple (lcm)

Front

is the smallest number that is a multiple of two or more numbers. For example, the multiples of 3 include 3, 6, 9, 12, 15, etc.; the multiples of 5 include 5, 10, 15, 20, etc. Therefore, the multiple of 3 and 5 is 15.

Back

Concurrent lines

Front

are multiple lines that intersect at a single point

Back

Perfect square

Front

is a number that has an integer for its square root. There are 10 of these from 1 to 100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 (the squares of integers 1 through 10).

Back

Exponent

Front

A mathematical notation indicating the number of times a quantity is multiplied by itself.

Back

proper fraction

Front

A fraction whose denominator is greater than its numerator

Back

Real numbers

Front

are the set of all rational and irrational numbers.

Back

A transversal

Front

is a line that intersects at least two other lines, which may or may not be parallel to one another. It intersects parallel lines is a common occurrence in geometry.

Back