A line that includes the point (4, 7) has a slope of 3. What is its equation in slope-intercept form?
1 answer:
Answer: slope intercept is solve for y
Step-by-step explanation:
point slope
y-y1=m(x1,y1) and the slope is m
given
slope=3
a point i (4,7)
y-7=3(x-4)
solve for y
y-7=3x-12
add 7 both sides
y=3x-5 is slope intercept form
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4/5
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The 4 pieces of rope equals 5 feet each one
X+3y=7
x-3y=1
add them together
x+3y=7
<u>x-3y=1 +
</u>2x+0y=8
2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1
x=4
y=1
answer is A
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