chapter 1
A symbol, usually a letter, that represents one or more numbers.
What is a variable?
Operations that undo one another.
What is inverse operations?
Any number that makes the equation true.
What is a solution?
How to say 7/8 in words.
What is 7 divided by 8
The way to turn a slope of 3 into rise over run.
What is 3/1?
A mathematical phrase that can include numbers, variables, and operation symbols.
What is an algebraic expression?
An equation that contains > or <.
What is an inequality?
True or false: -2 is greater than -4 + 1
What is True?
The equation of a line
What is y=mx+b
Rise over run.
What is the slope of a line?
A number that shows repeated multiplication.
What is an exponent?
True or false: 3 + -1 = 3 - 1
What is a True?
the point where a line crosses the y axis
What is the y intercept?
True or False: A method used to determine if a relation is a function or not. If a vertical line passes through a graph more than once, the graph is not the graph of a function.
What is True (this is called a vertical-line test)
A real number that can be written as a fraction (a ratio of two integers). In decimal form they are terminating or repeating.
What is a rational number?
True or false. 1 is a solution of 5x-2>10.
What is False?
The equation that says 33% of x.
What is the .33 times x?
The meaning of a dashed line when graphing a linear inequality.
What is greater than (as opposed to greater than or equal to)?
What you get when you multiply two negative numbers.
What is a positive number?
True or false: -5 > -1
What is false?
Tells you how likely it is that something will occur.
What is probability?
The grade you will get on the Algebra regents.
What is a passing grade?