#### Terms in this set (59)

- Quadratic Formula-b±[√b²-4ac]/2a
- Slope(y₂-y₁)/(x₂-x₁)
- Slope-Intercepty=mx+b
- a³-b³(a-b)(a²+ab+b²)
- a³+b³(a+b)(a²-ab+b²)
- a²-b²(a-b)(a+b)
- a²-2ab+b²(a-b)²
- a²+2ab+b²(a+b)²
- (a+b)(c+d)ac+ad+bc+bd
- a(b+c)ab+ac
- sine ratioopposite ÷ hypotenuse
- cosine ratioadjacent ÷ hypotenuse
- tangent ratioopposite ÷ adjacent
- A function is ___________ a relationalways
- Direct Variationy=kx
- Inverse Variationy=k/x
- Slope intercept formy=mx+b
- Point-Slope formy-y₁=m(x-x₁)
- Standard formAx + By=C, where A, B, and C are not decimals or fractions, where A and B are not both zero, and where A is not a negative
- UndefinedWhen there is a vertical line that has different y points, but the same x point
- ZeroWhen there is a horizontal line that has different x points, but the same y point
- Dividing by a negative number in an inequalityYou must flip the sign
- Graphing < or > on a coordinate planedotted line
- Graphing ≥ or ≤ on a coordinate planesolid line
- Graphing ≥ or > on a coordinate planeshade upwards or to the right
- Graphing ≤ or < on a coordinate planeshade downwards or to the left
- Infinitely many solutionswhen the system of equations have the same slope and y-intercept
- One solutionwhen the system of equations have different slopes
- No solutionwhen the system of equations have the same slope but different y-intercepts
- All direct variations are ____________________linear functions
- A linear function is a function that _____________ a linegraphs
- A parent function is the simplest ____________ of a functionequation
- Linear parent functiony=x or f(x)=x
- Elimination methodsolving systems by adding or subtracting equations to eliminate a variable
- Solution of the system of linear equationsAny ordered pair in a system that makes all the equations true
- Graphing methodGraphing the system of equations and finding the point at which they intersect
- Substitution methodReplacing one variable with an equivalent expression containing the other variable
- Absolute value equationA V-shaped graph that points upward of downward
- TranslationA shift of a graph horizontally, vertically, or both, which results in a graph of the same shape and size, but in a different position.
- Area of a circleΠr²
- Area of a squares², where s = length of a side
- Area of a triangle½(base x height) [or (base x height)÷2]
- Area of a trapezoid½(b₁ +b₂) x h [or (b₁ +b₂) x h÷2]
- Perimeter of a rectangle2Length + 2width [or (length + width) x 2]
- Perimeter of a square4s (where s = length of a side)
- Perimeter (circumference) of a circle2 pi r
- Area of rectangle, square, parallelogramA=bh
- Circumference of a circle∏d OR 2∏r
- Area of a sectorx°/360 times (∏r²), where x is the degrees in the angle
- length of a sectorx°/360 times (2 pi r), where x is the degrees in the angle
- CircleIs the set of points which are all the same distance (its radius) from a certian point( the center).
- Radius (Radii)A segment connecting the center of a circle to any point on the circle
- DiameterThe distance across the circle through the center of the circle.The diameter is twice the radius.
- ChordThe distance from one point on the circle to another point on the circle.
- SectorThe part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle.
- ArcPart of a circle connecting two points on the circle.
- Central AngleAn ange whose vertex is the center of the circle
- Circumference FormulaC =∏d
- Area of CirclesA=∏r2