Warm Up 10/10/18 1) Write the equation in 2) Evaluate

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Presentation transcript:

Warm Up 10/10/18 1) Write the equation in 2) Evaluate 𝟐 𝟓 −𝟓 ÷𝟗 𝟏𝟏 slope intercept form if the line passes through (-3, 4) with a slope of -5.

Writing Equations in Slope-Intercept Form (Part B) Ch. 4-2 Writing Equations in Slope-Intercept Form (Part B)

ӿ Practice Write an equation of the line that passes through (3, 1) & (2, 4). Slope intercept form* y=mx+b *we need slope(m) and y-intercept (b) First Step find the slope: 𝒎= 𝒚𝟐−𝒚𝟏 𝒙𝟐−𝒙𝟏

ӿ Practice Write an equation of the line that passes through (3, 1) & (2, 4). Slope intercept form* y=mx+b *we have m= -3, now need y-intercept (b) Second Step use either point find the y-intercept:

ӿ Practice Write an equation of the line that passes through (3, 1) & (2, 4). m= -3 and b= 10 Step 3: Write the equation in slope-intercept form y=mx+b

2) Write an equation of the line that passes through (-4, -2) & (-5, -6).

You Try!! 3) Write an equation of the line that passes through (0, 1) & (5, 3).

You Try!! 3) Write an equation of the line that passes through (0, 1) & (5, 3).

You Try!! 4) Write an equation of the line that passes through (4, -3) & (2, 3).

You Try!! 4) Write an equation of the line that passes through (4, -3) & (2, 3).

You Try!! 5) Write an equation of the line that passes through (-1, -3) & (-2, 3).

You Try!! 5) Write an equation of the line that passes through (-1, -3) & (-2, 3).

ӿ Classwork – p.229-230 #5-8; 16-21; #34-35