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STAAR Algebra 1 Vocabulary
Terms in this set (92)
A statement that the values of two mathematical expressions are equal (indicated by the sign =).
The relation between two expressions that are not equal, employing a sign such as ≠ "not equal to," > "greater than," or < "less than."
A number that is greater than zero.
A number that is less than zero.
Fixed reference lines for the measurement of coordinates.
Numbers or quantities arranged in rows and columns.
A variable (often denoted by x ) whose variation does not depend on that of another. This variable causes the change in another variable.
A variable (often denoted by y ) whose value depends on that of another. This variable is the effect of the change in another variable.
A relationship or expression involving one or more variables, where each independent value (the input) has only one dependent value (the output).
The size of a surface of a two-dimensional figure.
When one variable quantity appears to change right along with another variable. It could also be one variable causing a change in another.
All reasonable numbers that could be used to quantify the independent variable.
All reasonable numbers that could be used to quantify the dependent variable.
Numbers that include all of the integers on the number line, and all the fractional numbers in between. Example: The amount of flour in a mixing bowl. You can have one full cup or 1/2 or even 0.2 cups of flour.
The integers on the number line but not the numbers in between them. Example: IPads, because you can have 1 IPad, 2 Ipads and so forth, but you cannot have 1/2 of an IPad.
A list of numbers in a sequence. For instance, [1,10] means all numbers between 1 and 10 including 1 and 10, and all of the fractional numbers in between.
An x and y-axis graph with a bunch of coordinate points (dots) on it.
The dots on the scatter plot are trending upward from left to right.
The dots on a scatter plot are trending downward from left to right.
An expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
A combination of symbols and terms that look like an equation but are missing an equals sign.
Means to break numbers and equations up into parts that can be multiplied together to get the original number or equation.
Resembling a straight line.
The form of a linear equation before it has been solved for y. Ax+By=C
A number that measures its "steepness", usually denoted by the letter m. It is the change in y for a unit change in x along the line. Also called rise over run.
The point where a line goes through the x or y-axis.
Some call this "y=" form. It is y=mx+b
Numbers that have been collected to represent changes in the independent and dependent variable quantities.
The point where the line goes through the x-axis.
The point where the line goes through the y-axis.
Rate of change
The speed at which a variable changes over a specific period of time.
The line on the graph is going up from left to right.
The line on the graph is going down from left to right.
Rising at a higher rate . This usually refers to the slope of a line. The angle between the line and the x-axis gets larger.
A group of numbers that can satisfy an equation or a situation involving a problem.
A place where two lines on a graph meet.
System of linear equations
A collection of two or more equations with the same set of variables. The solution is where the lines for the equations intersect.
To place coordinate points in their respective locations on a graph.
A -shaped line on a graph formed by the equation y=x^2.
Refers to the relationship between two variables, where as one quantity rises (or falls) the other does too, but then goes in the opposite direction up or down.
An object propelled or launched with great force.
Time versus Distance
The first is an independent variable and the second is a dependent variable.
A place where a parabola passes through the x-axis.
An equation with its highest exponent being a squared.projectile
The value of x when solving an equation.
Zeros of quadratic
The place where the parabola passes through the x-axis. The name comes from the fact that the y-values at these intercepts are 0.
X-intercepts of quadratic
The places where the parabola goes through the x-axis. The name comes from the fact that the parabola touches the x-axis.
A certain amount of something.
A letter representing an unknown and changing quantity.
Equations with the basic building blocks for more complicated equations. Examples of this are y=x and y=x^2.
A decrease in amount.
U-shaped on the graph.
Growth happening very fast. The equation for this must have a variable in the exponent spot. The pattern for this is growth by a factor of some number.
Commonly f(x) pronounced "f of x."
Being able to switch the order of numbers when, for instance, multiplying and adding.
Being able to, for instance, multiply in a different order to get the same result.
Lets you multiply a sum by multiplying each addend separately and then add the products.
One is the same as the other.
An equation or expression with only one term.
An equation or expression with only two terms with different numbered exponents.
An equation or expression with only three terms with different numbered exponents.
Going up or down by the same amount.
A number term with no variable.
A number term containing a variable.
A precise way of describing which items belong in a set and which do not.
All numbers--positive and negative integers and fraction/decimal. This includes the number zero. Does not include imaginary or irrational.
The expression part of an f(x) equation such as 2x-3.
Two ratios that are equal to each other.
An equation with y and x, containing a slope but no y-intercept.
A way in which a quantity is measure.
The answer reached in solving just seems to make sense.
An approximation or a rounding of a number.
Small numbers in the superscript of an exponential. We say "raised to the power of..."
Exponential equations with one output for every one input. It involves the notation f(x).
Seven rules that dictate how to multiply and divide exponential numbers.
A process in which variables y and x in an equation are switched and we solve for y.
A line on a graph that is not straight.
Exponential growth and decay
The quantity of something that increases or decreases very fast. The equation has a variable in the exponent spot. Increases have a positive exponent and decreases have a negative exponent.
The highest or lowest point of a function. It is a measure of location/coordinate point.
The distance around an object at its base.
Combining like terms and eliminating parentheses by multiplying.
The effort put out at work.
More spread out
A place on a graph in the form of (x,y).
Twice a year
A particular number in a sequence. It is a place holder.
The starting point.
An (x,y) that could be substituted in an equation to make both sides of the equation equal.
To replace a variable with a number.
To move a line up or down, or left to right on a graph.
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