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Graphs of Straight LinesHow to graph equations and find equations from graphs.
Tables of Values A table of values is used to generate points.These points can be plotted on the coordinate plane. A straight line drawn through these points creates the graph of the equation.
Example Graph y = 2x – 5 x 1 2 3 4 5 y -3 -1 1 3 5
Plot these points on the coordinate plane.x 1 2 3 4 5 y -3 -1
Draw a straight line through the points
Exercises Graph the following straight lines: y = 3x – 4 y = 2x + 1Look for a relationship between the graphs and their algebraic expressions!!!
The Gradient-Intercept Form of a Straight LineWhen a linear function is written in the form y = mx + b the m is its gradient and the b is its y-intercept.
What’s the Equation? For the following graphs, determine their equation.
This powerpoint was kindly donated to www.worldofteaching.com Is home to well over a thousand powerpoints submitted by teachers. This a free site. Please visit and I hope it will help in your teaching 14
Objective - To graph linear equations using the slope and y-intercept.
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Note Note to browsers This slope lesson is interactive and I have students use graph paper as they follow along This is formulated for the California High.
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