For questions 19-22, write a linear equation with the given information. 19. Passing through (2, 3) and PARALLEL to y = x - 4
19.
20.
20. Passing through (-6, -1) and PARALLEL 2x + 3y = 3
21.
22
21. Passing through (-2, 8) and PERPENDICULAR to y = 2x + 5
22. Passing through (-2, -11) and PERPENDICULAR to x + 4y = 8
Gina Wilson (Al Things Algebra, LLC), 2012-2017

Step-by-step explanation:

19. Passing through (2, 3) and PARALLEL to y = x - 4

Parallel lines have equal slopes:

Use given point to find b:

The line is:

20. Passing through (-6, -1) and PARALLEL 2x + 3y = 3

Rewrite in the slope-intercept form:

The line have same slope:

The line is:

21. Passing through (-2, 8) and PERPENDICULAR to y = 2x + 5

Perpendicular lines have negative-reciprocal slopes

The line has the form:

Find the y-intercept:

The line is:

22. Passing through (-2, -11) and PERPENDICULAR to x + 4y = 8

Perpendicular lines have negative-reciprocal slopes

Rewrite in slope-intercept form:

The line has the form:

Find y-intercept:

The line is:

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers