+ Slope-Intercept Form of a Linear Equation Algebra y = mx + b.
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Transcript of THIS IS With Host... Your 100 200 300 400 500 Slope Direct Variation y = mx + b Writing Equations...
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Slope Direct Variation
y = mx + b Writing Equations
Parallel or Perpendicular The Past
Find the value of r so the line that passes through each pair of points has the given slope.
(6, 2) (9, r) m=-1
A 200
In 1990 there were 52 million cable subscribers in the US.
In 1998, there were 66 million. What was the rate of
change?
A 300
Find the value of r so that the line that passes through each pair of points has the given
slope.
(4, r) (r, 2) m=
A 400
3
5
Write a direct variation equation that relates the
variables in the following:
Kona coffee beans are $14.49 per pound. The total cost of p
pounds is C.
B 500
Write an equation of the line that passes through the given point with the given slope.
(5, -2) m = 3
D 200
Write an equation of the line that has each pair of
intercepts.
x-intercept: -3
y-intercept: 5
D 400
Write the slope-intercept form of an equation for the
line that passes through (-1, -2) and is parallel to the
graph of y = -3x – 2.
E 100
Write the slope-intercept form of a line that passes
through (1, -3) and is perpendicular to the graph of
y = x + 4.
E 200
2
1
Write the slope intercept form of a line that passes through (0, 4) and is perpendicular to
the graph of 3x + 8y = 4.
E 300
Write the slope-intercept form of a line that passes
through (2, 2) and is parallel to the graph of 3x – 4y = -4.
E 400
Are the graphs of the two equations perpendicular,
parallel or neither?
3y = 2x + 14
2x – 3y = 2
E 500