The correct answer is C. y = -3x+9. Since the slope is -3, we can substitute the slope and the given coordinate (-2, 9) into the point-slope form of a linear equation and solve for the y-intercept.
The point-slope form is given by:
y - y1 = m(x - x1),
where m is the slope and (x1, y1) is a coordinate point on the line.
Substituting -3 for m, -2 for x1, and 9 for y1, we have:
y - 9 = -3(x - (-2)),
y - 9 = -3(x + 2),
y - 9 = -3x - 6,
y = -3x + 3.
Thus, the linear function that matches the given line is y = -3x + 9.
Analyze the linear function whose slope is -3 and passes through the coordinate pair (-2, 9). Which linear function matches this line? (1 point)
A. y=3x-3
B. y=-2x-3
C. y = -3x+9
D. y = -3x+3
1 answer
1 answer