Answer:
slope 4
y intercept 0, 4
Explanation:
Slope: -1
y-intercept: (0, 9)
The slope is -1 because -1x is the same as -x and the slope is the number before x. The y-intercept is (0, 9) because the y-intercept is what y is when x is 0 so y = -1(0) + 9 which equals 9.
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