Find the slope and Y_intercept of the line 3x+y-9=0
2 answers:
Answer:
slope: -3
y-intercept: 9
Step-by-step explanation:
To find the slope and y-intercept, we can manipulate the equation to slope-intercept form. Slope-intercept form is y=mx+b where m is slope and b is y-intercept.
[subtract both sides by 3x]
[add both sides by 9]
Now, our equation is in slope-intercept form. We can see that the slope is -3 and the y-intercept is 9.
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Answer:
x = ±
Step-by-step explanation:
Given
3x² - 9 = 0 ( add 9 to both sides )
3x² = 9 ( divide both sides by 3 )
x² = 3 ( take the square root of both sides )
x = ±