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Do Now Find the slope of the line passing through the given points. 1)( 3, – 2) and (4, 5) 2)(2, – 7) and (– 1, 4)
What is the slope of a horizontal line? The line doesn’t rise! All horizontal lines have a slope of 0.
What is the slope of a vertical line? The line doesn’t run! All vertical lines have an undefined slope.
Find the slope of the line passing through the two given points. 1)(-3,5) and (-3,1) 2)(4, 6) and (1,6)
The line passing through the points (2, 8) and (6, k) has a slope of. Find k.
The line passing through the points (5, – 8) and (3, a) has a slope of 4. Find a.
Slope – Intercept Form y = mx + b m represents the slope of the line b represents the y-intercept The y-intercept is the point where the line crosses the y-axis.
Write a slope-intercept equation of the line with the given slope and y-intercept. 1)m = 2, b = – 3 2)m = – 4, b = 5 3)m =, b = 0
4) Write the equation of a line that has a y-intercept of -3 and a slope of -4. 1.y = -3x – 4 2.y = -4x – 3 3.y = -3x + 4 4.y = -4x + 3
Find the slope and y-intercept for each line. 5)y = 4x – 1 6) y = – x + 3 7)y = 2x – 5
8) Find the slope and y-intercept of y = -2x + 4 1.m = 2; b = 4 2.m = 4; b = 2 3.m = -2; b = 4 4.m = 4; b = -2
Writing Equations From The Graph Use the graph to find the slope and y- intercept. 1)Use two points to find the slope. 2)Look where the line crosses the y-axis. 3)Substitute into y = mx + b
1) Write the equation of the line.
2) Write the equation of the line.
Writing the Equation of a Line Using Slope-Intercept Form Chapter 5.1.
Lesson 5.1 Write Equations in Slope-Intercept Form.
An equation of a line can be written in slope- intercept form y = mx + b where m is the slope and b is the y- intercept. The y-intercept is where.
AIM: Graphing Slope Intercept Form
Slope Intercept Form. Slope Intercept Form of an equation gives you a quick way to graph an equation.
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Warmups Determine the slope of the line passing through: (2,7) (4,-5)
Lesson 2.5 AIM: Graphing Slope Intercept Form. SLOPE INTERCEPT FORM y = mx + b m = slope (how steep the line is) b = y-intercept (where it crosses the.
Warm-Up Graph. Then find the slope. 5 minutes 1)y = 3x + 2 2) y = -2x +5.
Bell Work Solve for “y” 1.) 3x – 2y = -8 2.) 5x – y + 12 = 3x ) 3x – 4y = -7y – 12.
WRITING AN EQUATION FROM SLOPE INTERCEPT. Slope Intercept Form.
Bell Work: Draw the figure that this net depicts..
Slope-Intercept Form Page 22 10/15. Vocabulary y-Intercept: the point at which a function crosses the y-axis (0, y) x-intercept: the point at which a.
5-3 Slope-Intercept Form. Linear Equation: an equation that models a linear function The graph of a linear equation contains all the ordered pairs that.
5.3 Slope-intercept form Identify slope and y-intercept of the graph & graph an equation in slope-intercept form. day 1.
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