SOLUTION: 2 a) line of a slope 4 passing through the point (0,2)
b) line of slope -5 passing through the point (3,4)
c) line of slope 0 passing through (1,2)
find an equation for each
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Question 106554This question is from textbook strategies for problem solving workbook
: 2 a) line of a slope 4 passing through the point (0,2)
b) line of slope -5 passing through the point (3,4)
c) line of slope 0 passing through (1,2)
find an equation for each line
This question is from textbook strategies for problem solving workbook
Answer by ashlyn.xo(7) (Show Source): You can put this solution on YOUR website!
Equation for a line: y=mx+b
m=slope
b=y intercept
2. a) m=4 point (0,2)
y=4x+b
substitute (0,2) into the equation y=mx+b
0=x
2=y
2=4(0)+b
2=0+b
2=b
Therefore, y=4x+2
2.b) m=-5 point (3,4)
y=-5x+b
4=-5(3)+b
4=-15+b
4+15=b
19=b
Therefore, the equation of the line is y=-5x+19
2.c) m=0 point (1,2)
2=0(1)+b
2=0+b
2=b
Therefore, y=2
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