2nd 9wks Vocab #2 Flashcards Preview

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Flashcards in 2nd 9wks Vocab #2 Deck (24)
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Slope

The measure of the steepness of a line, a constant rate of change

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Positive slope

When a line rises from left to right when graphed

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Negative slope

When a line falls from left to right when graphed

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Undefined slope

The slope of a vertical line,0, in the denominator of a formula

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0 slope

The slope of a horizontal line,0, in the numerator of a formula

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Parallel lines

Two lines that never intersect when drawn, lines that have the same slope but a different y-intercept in their equation

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Perpendicular lines

Two lines that meet and form 4 right angles when drawn, the product of their slopes is -1 in their equation

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Point slope form

Y-y1=m(x-x1)

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Slope intercept form

Y=mx+b

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Standard form

Ax+By=c (No fractions or decimals)

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System of equations

Two or more equations being solved siamotainously

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No solution

Means that there are no values to make the original problem true

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Infinitely many

Means a system is the same line and shares every ordered pair on the line

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Half-plane

The area that's formed when a line is graphed on the coordinate plane

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Standard form

The normal way to write a number

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Exponential form

A number written as a base raised to a power

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Base

The number or term being multiplied against itself

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Power/exponent

A subscript that tells you how many times to multiply the base

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Rational number

Can be written as a fraction, when it comes to radicles, the radicle symbol disappears when you find the root

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Irrational number

Can't be written as a fraction, when it comes to radicles, the radicle symbol is still in the simplified form of the root.

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Prime factorization

To break a number into its prime factors written in multiplication

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Expanded form

To spread out a number or term as a product of its factors

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X-intercept

When a graph crosses the x axis

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Y-intercept

When a graph crosses the y axis