martinezizzie
24.05.2021 •
Mathematics
VERY IMPORTANT! a line has a slope of 3 and a y intercept of (0,-2) what's the equation written in slope intercept form.
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Ответ:
D. ( 1.9 , -3.7)
Step-by-step explanation:
Given
x + y = - 1.8equation 1
y = 2x - 7.5 equation 2
putting equation 2 in equation 1
x + 2x - 7.5 = -1.8
3x = - 1.8 + 7.5
3x = 5.7
x = 5.7 / 3
x = 1.9
Now
y = 2* 1.9 - 7.5
= 3.8 - 7.5
= -3.7