Standard Form: Ax + By = C To find the slope and y-intercept of an equation in Standard Form: Slope = – A/B y-Intercept = C/B Graphing Lines in Standard Form Converting Standard Form to Slope Intercept Converting Slope-Intercept Form to Standard Form Converting Point-Slope Form to Slop-Intercept Form Converting Point-Slope Form to Standard Form…
Tag: Precal10
4.5 Applications of Linear Relations
While word problems may seem extremely confusing, these videos will (hopefully!) help you out with your homework Word Problems Got any more questions? Leave them in the comments below!
4.4 Parallel and Perpendicular Lines
Hint: Parallel Lines: lines that never intersect Perpendicular Lines: lines that form right angles when they intersect Figuring out the Slope from Two Pairs of Points Word Problems with Parallel and Perpendicular Lines Finding the Value of a Missing Coordinate Using Slope Have any questions? Leave them in the comments below!
4.3 Graphing Linear Functions
Note: x intercept = where the line intersects the x axis (point (a, 0)) y intercept = where the line intersects with the axis (point (0, b)) How to Find Slope, X Int. and Y Int. from a Graph Drawing a Line with the Given Slope and Intercept Determining Slope from Two Points If you…
4.2 Rate of Change
Formula for Rate of Change = y2 – y1/x2 – x1 How to Find Rate of Change from a Graph Word Problems with Rate of Change Still have questions? Leave them in the comments below!
4.1 Slope
Types of Slopes: Negative = Zero = Positive: Undefined: General Intro to Slope How to Find Slope from a Graph How to Find Slope from a Pair of Points Have any questions? Leave them in the comments down below!
3.3 Linear Equations
Definitions: Linear Equation: any equation of the form ax+by = c Equations: a mathematical statement that two expressions are equal (ex: y=2) Expressions: a collection of numbers, variables and operation signs (ex: 2x-3) Determining if an Ordered Pair is a Solution to the Equation How to Graph a Linear Equation Linear Equation Word Problems If…
3.2 Functions
💡 Tip = for every value of the domain (x-value) there’s one, and only one, value for the range (y-value) Writing functions is pretty simple, once you get the hang of it. Determining a Function using Various Methods Got any questions? Drop them in the comments below!
3.1 Relations
Remember: Relations = sets of order pairs (x, y) Domain = x values, or the set of first components Range = y values, or the set of second components Mapping Diagrams Finding the Domain and Range from a Graph Have any questions? Leave them in the comments below!
2.6 Special Factors
Remember: Difference of Squares: a2 – b2 = (a + b)(a – b) Factoring Perfect Square Trinomials: a2 + 2ab + b2 = (a + b)2 a2 – 2ab + b2 = (a – b)2 General Factoring for Special Factors Factoring Perfect Square Trinomials