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Slope Intercept Form and Its Use in Graphing Presentation by: Colin Swan
You need to know: Graphing
You need to know: Graphing Graphing using slope
You need to know: Graphing Graphing using slope Solving for y
You need to know: Graphing Graphing using slope Solving for y Using Intercepts
Slope Intercept Form Y
Slope Intercept Form Y=
Slope Intercept Form Y=m
Slope Intercept Form Y=mx
Slope Intercept Form Y=mx+
Slope Intercept Form Y=mx+b
Slope Intercept Form Y=mx+b Y-intercept
Slope Intercept Form Y=mx+b SlopeY-intercept
y – 3 = 2x
y – 3 = 2x Solve
y – 3 = 2x
y = 2x + 3
y = mx + b
y = 2x + 3 y-intercept
y = 2x + 3 slope
Graphing Using Slope - Intercept STEPS : 1. Equation must be in y = mx + b form 2. Plot your y – intercept ( 0, y ) 3. Using your y – intercept as a starting.
Y x Objective - To graph linear equations using the slope and y-intercept. x Complete the table and graph y-intercept b = -1 Slope-Intercept.
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Warm up 1.Graph the equation of the line using slope & y-intercept 4x – 2y = 10.
WRITE EQUATIONS OF PARALLEL AND PERPENDICULAR LINES November 20, 2008 Pages
Write an equation given the slope and y-intercept EXAMPLE 1 Write an equation of the line shown.
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Slope Intercept Form. Y = mx + b m is the slope b is the y-intecept (0, b) Your equation must say “y = “ Example: Y = 3x + 8 m = 3 Y-intercept (0,8) Y.
Finding Slope – Intercept From an Equation STEPS : 1. Equation must be in y = mx + b form 2. The slope is the coefficient of “x” ( m ) 3. The y - intercept.
Slope Intercept Form Graph an equation using the slope and the y intercept and write an equation of a line.
The table and graph suggest another method of graphing a linear equation. This method is based on two numbers. The SLOPE This is the coefficient of x.
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There are three ways in which we can solve for slope: Slope = RISE RUN 1. Use the formula and count the spaces on a graph. = 2323.
When an equation is in slope-intercept form: Examples: Identify the slope of the line and the y- intercept for each equation. 1. y = 3x y = ½.
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Find the x and y intercepts of each graph. Then write the equation of the line. x-intercept: y-intercept: Slope: Equation:
Graph a linear equation Graph: 2x – 3y = -12 Solve for y so the equation looks like y = mx + b - 3y = -2x – 12 Subtract 2x to both sides. y = x + 4 Divide.
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EXAMPLE 2 Write an equation given two points Write an equation of the line that passes through (–2, 5) and (2, –1). SOLUTION Calculate the slope. 3 m =
Section 3-5 Lines in the Coordinate Plane SPI 21C: apply concept of rate of change to solve real-world problems SPI 21D: determine the slope given a graph.
WARM UP 1. Explain how to graph a linear equation written in slope-intercept form. 2. Explain how to graph a linear equation written in point-slope form.
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X and Y Intercepts. X and Y Intercepts Essential Questions How can x-intercepts and y-intercepts be determined? How can equations be graphed using intercepts?
AIM: Graphing Slope Intercept Form. SLOPE INTERCEPT FORM y = mx + b m = slope (how the points Move) b = y-intercept (where the Bomb hits the target)
EXAMPLE 1 Identify slope and y-intercept Identify the slope and y- intercept of the line with the given equation. y = 3x x + y = 22. SOLUTION The.
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