SOLUTION: Graph the equation and identify the y-intercept x+2y=8
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Graph the equation and identify the y-intercept x+2y=8
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DESCRIBE a linear EQUATION: slope, intercepts, etc
describes a sloping line. For any
equation ax+by+c = 0, slope is
X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. 8/1 = 8.
Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 8/2 = 4.
Slope is -1/2 = -0.5.
Equation in slope-intercept form: y=-0.5*x+4.