A place where a function crosses the x-axis represented by x in the formula y=mx+b.
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whole numbers
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Natural numbers and zero
Not negative or decimals
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negative exponent
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Negative is the opposite of positive and division is the opposite of multiplication, so a number with a negative exponent should be moved to the denominator of a fraction and the exponent switched to positive.
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variables
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x, y, or any letter that can represent a number that we don't know
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vertex of a parabola
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highest or lowest point in a parabola
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slope
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steepness of a line
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linear equation
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forms a line when graphed
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coordinate plane
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A two-dimensional number line where the vertical line is called the y-axis and the horizontal is called the x-axis. These lines are perpendicular and intersect at their zero points called the origin.
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real number
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all rational and irrational numbers
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Function
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A relation for which each output has only one input. Can be tested on the coordinate plane with the vertical line test
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quadratic function
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degree of 2
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coefficient
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a number that is in front of a variable
A number multiplied by a variable.
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linear
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Equations that does not have any variables with an exponent. They form a lie when graphed.
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irrational numbers
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exponential form
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5*5
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natural numbers
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absolute value
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The distance a number is from zero
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domain
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All possible x values of a function
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expression
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vertex
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maximum or minimum of a quadratic
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function notation
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examples: f(x)=3x, g(x)=5x+2 , h(x)=10
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integers
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whole numbers and their negatives
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point slope form
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quadratic parent function
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y=x^2
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terms
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range
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All possible y values of a function
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parabola
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U-shaped curve formed when you graph a quadratic function