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BABA3724
26.06.2019 •
Mathematics
How do i solve and what is the answer
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Ответ:
I and III
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y-intercept )
• Parallel lines have equal slopes
I y = 4x → m = 4
II
y = -
x + 2 → m = - ![\frac{1}{4}](/tpl/images/0019/5517/0d86b.png)
III
rearrange 12x - 3y = 6 into slope- intercept form
subtract 12x from both sides
- 3y = - 12x + 6 ( divide all terms by - 3 )
y = 4x - 2 → m = 4
IV
rearrange into slope- intercept form
4(y + 6) = x - 3
4y + 24 = x - 3 ( subtract 24 from both sides )
4y = x - 27 ( divide all terms by 4 )
y =
x -
→ m = ![\frac{1}{4}](/tpl/images/0019/5517/0d86b.png)
I and II have the same slope, hence are parallel lines
Ответ:
1. it would be (-3x) NOT (x-3)
2. there is no -3 in this equation so you cannot factor out -3
Step-by-step explanation: