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Indietro

Chapter 1 Formula

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Termini in questo insieme (26)

  • Coordinate Plane

    A graph with two number line

  • X-Intercept

    The graph crosses the x-axis

    To find the x-intercept ---> set y=0

  • Y- Intercept

    The graph crosses the y-axis

    To find the y-intercept ---> set x=0

  • Distance between two points

    Formula: 𝑑= √(𝑥2−𝑥1)2+(𝑦2−𝑦1) 2

  • Midpoint Formula

    (x^1+x^2/2, y^1+y^2/2)

  • Circle

    (x-h)^2+(y-k)^2=r^2

  • Relation:

    A connection between x &y values

  • Function

    A special type of relation where each input has at most one output

  • Finding Domain of Equation

    • No negative number under square root

    • For fractions , denominators cannot equal 0

  • [,] ≤, ≥

    • Include

    • Closed Circle

  • (,) < , >

    • Exclude

    • Open Circle

  • Direct Variations

    • "Verys Directly"

    • y=Kx

  • Inverse Variation

    "varies Inverly"

    • Time= K/p

    • Y= k/x

  • Combined (Joint) Variations

    • y=Kxz

  • Slope

    m= y^2-y^1/x^2-x^1

    rise/run

  • If line goes up from left to right

    slope is positive

  • If line goes down from left to right

    slope is negative

  • Horizontal Line

    slope is ZERO

    Y=#

  • Vertical Line

    Slope is Undefined

    X=#

  • Slope Intercept Form

    Y=mx+b

  • Point Slope Form

    Y-y^1=m(X-x^1)

  • Conditional

    • ONE Solution

  • Identity

    • TRUE Statement

    • (all real numbers)

  • Inconsistent/Contradiction

    • FALSE Statement

    • empty set

  • Parellel Line

    • Slopes = equal

    • Y-Intercept does not equal

  • Perpendicular Lines

    • Slope have opposite signs and are reciprocals

    • Lines intersect at right angle (90)