Answer:
the equation of the trend line is: y = 2x + 7.
Explanation:
To find the equation of the trend line passing through the points (0, 7) and (1, 9), we can use the slope-intercept form of a linear equation: y = mx + b.
First, let's find the slope (m) using the formula: m = (y2 - y1) / (x2 - x1).
Plugging in the values, we get: m = (9 - 7) / (1 - 0) = 2 / 1 = 2.
Next, we can substitute one of the points and the slope into the equation to solve for the y-intercept (b). Let's use the point (0, 7):
7 = 2(0) + b
7 = b
Therefore, the equation of the trend line is: y = 2x + 7.