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theannakittler7327
03.02.2020 •
Mathematics
Which equation represents a line that passes through (–9, –3) and has a slope of –6?
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Ответ:
y = - 6x - 57
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 )
here m = - 6, thus
y = - 6x + c ← is the partial equation
To find c substitute (- 9, - 3) into the partial equation
- 3 = 54 + c ⇒ c = - 3 - 54 = - 57
y = - 6x - 57 ← equation of line
Ответ:
=37a+5b
Step-by-step explanation:
Let's simplify step-by-step.
2a+5(b+7a)
Distribute:
=2a+(5)(b)+(5)(7a)
=2a+5b+35a
Combine Like Terms:
=2a+5b+35a
=(2a+35a)+(5b)
=37a+5b
=37a+5b