donte bought a computer that was 20% off the regular price of $1.080. If an 8% sales tax was added to the cost of the computer,
1 answer:
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Answer:
A. y=2x-9
B.
Step-by-step explanation:
A. Parallel lines have the same slope. That means the line y=2x+3 has the same slope as any line parallel to it. So the slope is 2.
Using m=2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.
B. Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=2x+3 is 2. The slope perpendicular to it is -1/2.
Using m=-1/2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.
Answer:
Step-by-step explanation:
the first one is:
x= 3
y= 2
the second one is:
x= -2
y= 8
