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Colton Alexander
Mathematics
19 January, 04:08
Solve the systemof equations y=3x
X=-2y+70
+1
Answers (
1
)
Jaylan Clark
19 January, 04:18
0
35?
Step-by-step explanation:
3x+2y=70
Geometric figure: Straight Line
Slope = - 3.000/2.000 = - 1.500
x-intercept = 70/3 = 23.33333
y-intercept = 70/2 = 35
Calculate the Y-Intercept:
Notice that when x = 0 the value of y is 35/1 so this line "cuts" the y axis at y=35.00000
y-intercept = 70/2 = 35
Calculate the X-Intercept:
When y = 0 the value of x is 70/3 Our line therefore "cuts" the x axis at x=23.33333
x-intercept = 70/3 = 23.33333
Calculate the Slope:
Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is 35.000 and for x=2.000, the value of y is 32.000. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of 32.000 - 35.000 = - 3.000 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)
Slope = - 3.000/2.000 = - 1.500
Geometric figure: Straight Line
Slope = - 3.000/2.000 = - 1.500
x-intercept = 70/3 = 23.33333
y-intercept = 70/2 = 35
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