find the slope intercept form of the equation of the the line that passes through (-9,-8) and the origin
2 answers:
Answer: y=8/9x+0
Step 1: Determine the 2 points that will be used
(-9,-8)
(0,0)
Step 2: Starting with finding slope, write out the equation that you need to use
y2-y1/x2-x1
Step 3: Substitute the points into the equation and solve
0- -8/ 0- -9 = 8/9
*This will be the slope*
Step 4: Write out the equation in slope-intercept form
y= 8/9x+b
Step 4: To find the y-intercept, substitute y and x from a point and solve
y=8/9x+b
-8= 8/9 (-9) +b
-8= -8 +b
+8 +8
_______
0=b
*This will be the y-intercept*
Step 5: Replace b and m in the equation to get your final answer
y=mx+b
y=8/9x+0
Hope this helps comment below for more questions :)
Answer:
The answer is y=8/9x
Step-by-step explanation:
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Answer : x = 20
Explanation :
3x + 2x +20 + 4x - 20 = 180
(3+2+4=9)
9x + 20 - 20
The 20s cancel each other out because one is positive and the other is negative
9x = 180
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Answer:
Step-by-step explanation:
1. 2x - 9y = 23
2 x = 9 y + 23
y = (2 x)/9 - 23/9
2 x - 9 y - 23 = 0
2. 5x - 3y = -1
5 x + 1 = 3 y
y = (5 x)/3 + 1/3
5 x - 3 y + 1 = 0
I belive that should help you out a bit :D
