the decimal expansion of a number is its representation in base 10 (i.e., the decimal system). For example, the decimal expansion of 25 squared is 625, or pi is 3.14159..., and of 1/9 is 0.1111....
What is decimal expansion?
100
5x + 4 = 14
What is x = 2
100
6x + 8 = 32
What is x = 4
100
A letter or symbol used to represent a number
What is variable?
100
a mathematical sentence that contains an equal sign
What is equation?
200
two numbers that when multiplied together equal 1 (example: 4 and 1/4)
What is multiplicative inverse?
200
3x + 9 = 2x + 14
What is x = 5
200
15 = 19 - 3k - 31
What is x = -9
200
Monomials that have the same variable raised to the same power. Only coefficients of like terms can be different
What is like terms?
200
identify the value that when substituted for the variable makes the equation a true statement.
What is solve?
300
a number that can be written as the ratio of two integers with a nonzero denominator
What is a rational number?
300
5(x-3) = -11
What is x = 4/5
300
8(x-3)=-2(x+7)
What is x = 1
300
to perform operations to obtain a single number or value
What is evaluate an algebraic expression?
300
the value or values of a variable that makes an equation a true statement
What is solution?
400
a real number whose decimal form is non-terminating and non-repeating that cannot be written as the ratio of two integers
What is irrational number?
400
-8 - 8x + 10 + 6x = 16
What is x = -7
400
-3(2x + 7) + 5x = -13
What is x = -8
400
pairs of operations that undo each other; for example, addition and subtraction are inverse operations and multiplication and division are inverse operations.
What is inverse operations?
400
for real numbers a,b, and c (c cannot equal 0), if a = b, the ac = bc. In other words, multiplying both sides of an equation by the same number produces an equivalent expression
What is multiplication property of equation?
500
the 3 in 3x
What is coefficient?
500
-10 = 2/3(9x - 6)
What is x = -1
500
-5 = 1/2(6x - 2) +7x
What is x = -4/10
500
for real numbers a, b, and c, then a + c = b + c. In other words, adding the same number to each side of an equation produces an equivalent equation.
What is addition property of equality?
500
an equation that can be written in the form ax + b = c where a, b, and c are real numbers and a cannot 0