math 1
infinite
increasing or decreasing without end
For which equation would x = 5 be a solution? 1. 8 x = 85 2. 45 ÷ x = 9 3. x + 4 = 54 4. x - 7 = 12
45 ÷ x = 9
output
a value generated by a function when an input value is substituted into the function and evaluated
solution
a value of the variable that makes an algebraic sentence true
input
a value that is substituted in for the variable in a function in order to generate an output value
function machine
a visual representation of a function
proportional
having the same ratio, or having the same size in relation to each other
The commutative property applies to addition and ____. division multiplication subtraction
multiplication
boundary point
the largest or smallest value that is (≤, ≥), or is not (<, >) part of the solution of the graph of an inequality
substitute
to replace a variable in a mathematical expression with an actual value
For which equation would x = 12 not be a solution? 96 ÷ x = 8 9 x - 7 = 101 x + 4 = 10 5 + 4 x = 53
x + 4 = 10
What is the solution to the equation 3x - 7.5 = 22.5? x = 0 x = 10 x = 8 x = 6
x = 10
What is the solution to the equation 4x = 44? 1. x = 10 2. x = 40 3. x = 11 4. x = 4
x = 11
What is the solution to the equation 5 + 10x = 50? x = 4.5 x = 1.5 x = 6.5 x = 5.5
x = 4.5
What is the solution to the equation x + 16 = 64? 1. x = 32 2. x = 47 3. x = 36 4. x = 4
x = 47 3/4
linear function
a function that forms a line when graphed
continuous data
a set of data in which values can take on any value within a given interval
coefficient
the number before a variable in an algebraic expression
function
a relation in which for any given input value, there is only one output value
For which equation would x = 4 be a solution? 2 x + 7 = 22 2 x + 8 = 4 8 - 3 x = 20 6 x ÷ 8 = 3
6 x ÷ 8 = 3
equation
a mathematical statement that shows two expressions are equal using an equal sign
commutative property
a property of the real numbers that states that the order in which numbers are added or multiplied does not change the value
discrete data
a set of data in which the values are distinct and separate
algorithm
a set of rules to be followed to solve a problem
inequality
a statement showing a relationship between numbers or expressions that are not necessarily equal; uses the symbols >, <, ≥, ≤ or ≠
order of operations
a system for simplifying expressions that ensures that there is only one right answer
input/output table
a table used to organize function values
Which of the following statements is not a translation of the equation 4 + x = 9? The sum of four and a number is nine. A number added to four is nine. Four plus a number is nine. Nine is a number added to four.
Nine is a number added to four.
open circle
a circle not filled in to show that the point is a border value and is not included as part of the solution set
Which of the following words is not a translation for "=?" is equals equal to similar
similar
For which equation would x = 12 be a solution? 12 - x = 4 48 ÷ x = 12 x + 4 = 12 12 x = 144
12 x = 144
dependent variable
the variable representing the second element of the ordered pairs in a function; the outputs
Translate the following statement into a mathematical equation: The product of four and a number, plus six, is eighteen. 4( n + 6) = 18 4 n + 6 = 18 4 + n + 6 = 18 6 n + 4 = 18
4 n + 6 = 18
Translate the following equation into words: 1c - 4 = 11 One and a half, times a number minus four, is eleven. Four less than the product of one and a half and a number, is eleven. One and a half times a number, subtracted from four, is eleven. A number, times one and a half minus four, is eleven.
Four less than the product of one and a half and a number, is eleven.
closed circle
a circle filled in to show that the point is a part of the solution set
hypothesis
a guess about what will happen in an experiment
variable
a letter used to represent an unknown number or quantity
inverse operations
opposite operations that undo one another
independent variable
the variable representing the first element of the ordered pairs in a function; the inputs
