Question

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Answer 1

`a) Slope = (-2)/(5)\\\\y-intercept = -8`

b) slope = 2

y-intercept = 9

Explanation:

Equation of line in slope and y-intercept form:

y = mx + b

Here, m is the slope and b is the y-intercept.

a)

`\sf y = (-2)/(5)x - 8\\\\\Comparing \ with \ the \ above \ equation,\\\\ slope = (-2)/(5)\\\\y-intercept = -8`

b)

9 - y = - 2x

-y = -2x - 9

Multiply the entire equation by (-1)

y = 2x + 9

Slope = 2

y -intercept = 9